Home / 31,432.51-43,364.58-17,996.58

Finding the Fourth Proportional to 31,432.51, 43,364.58 and 17,996.58

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Solution

The fourth proportional to 31,432.51, 43,364.58 and 17,996.58 is: 24,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.51 : 43,364.58 = 17,996.58 : x
  2. Step 2: Convert to fraction form
    31,432.51/43,364.58 = 17,996.58/x
  3. Step 3: Cross multiply
    31,432.51x = 43,364.58 × 17,996.58
  4. Step 4: Simplify right side
    31,432.51x = 780,414,166.88
  5. Step 5: Solve for x
    x = 780,414,166.88/31,432.51
  6. Step 6: Final answer
    x = 24,828.25

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Half scale
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Double scale
Find fourth proportional to 31,433.51, 43,365.96 and 17,997.58
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.