Home / 31,437.36-43,366.80-23,871.15

Finding the Fourth Proportional to 31,437.36, 43,366.80 and 23,871.15

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Solution

The fourth proportional to 31,437.36, 43,366.80 and 23,871.15 is: 32,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.36 : 43,366.80 = 23,871.15 : x
  2. Step 2: Convert to fraction form
    31,437.36/43,366.80 = 23,871.15/x
  3. Step 3: Cross multiply
    31,437.36x = 43,366.80 × 23,871.15
  4. Step 4: Simplify right side
    31,437.36x = 1,035,215,387.82
  5. Step 5: Solve for x
    x = 1,035,215,387.82/31,437.36
  6. Step 6: Final answer
    x = 32,929.46

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Double scale
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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.