Home / 31,327.62-43,232.12-17,180.76

Finding the Fourth Proportional to 31,327.62, 43,232.12 and 17,180.76

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Solution

The fourth proportional to 31,327.62, 43,232.12 and 17,180.76 is: 23,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.62 : 43,232.12 = 17,180.76 : x
  2. Step 2: Convert to fraction form
    31,327.62/43,232.12 = 17,180.76/x
  3. Step 3: Cross multiply
    31,327.62x = 43,232.12 × 17,180.76
  4. Step 4: Simplify right side
    31,327.62x = 742,760,678.01
  5. Step 5: Solve for x
    x = 742,760,678.01/31,327.62
  6. Step 6: Final answer
    x = 23,709.45

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Half scale
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Double scale
Find fourth proportional to 31,328.62, 43,233.50 and 17,181.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.