Home / 39,963.56-59,935.62-18,902.76

Finding the Fourth Proportional to 39,963.56, 59,935.62 and 18,902.76

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Solution

The fourth proportional to 39,963.56, 59,935.62 and 18,902.76 is: 28,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963.56 : 59,935.62 = 18,902.76 : x
  2. Step 2: Convert to fraction form
    39,963.56/59,935.62 = 18,902.76/x
  3. Step 3: Cross multiply
    39,963.56x = 59,935.62 × 18,902.76
  4. Step 4: Simplify right side
    39,963.56x = 1,132,948,640.31
  5. Step 5: Solve for x
    x = 1,132,948,640.31/39,963.56
  6. Step 6: Final answer
    x = 28,349.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.