Home / 39,733.74-54,787.68-28,959.57

Finding the Fourth Proportional to 39,733.74, 54,787.68 and 28,959.57

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Solution

The fourth proportional to 39,733.74, 54,787.68 and 28,959.57 is: 39,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.74 : 54,787.68 = 28,959.57 : x
  2. Step 2: Convert to fraction form
    39,733.74/54,787.68 = 28,959.57/x
  3. Step 3: Cross multiply
    39,733.74x = 54,787.68 × 28,959.57
  4. Step 4: Simplify right side
    39,733.74x = 1,586,627,654.10
  5. Step 5: Solve for x
    x = 1,586,627,654.10/39,733.74
  6. Step 6: Final answer
    x = 39,931.50

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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.