Home / 39,685.28-59,385.78-34,366.88

Finding the Fourth Proportional to 39,685.28, 59,385.78 and 34,366.88

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Solution

The fourth proportional to 39,685.28, 59,385.78 and 34,366.88 is: 51,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.28 : 59,385.78 = 34,366.88 : x
  2. Step 2: Convert to fraction form
    39,685.28/59,385.78 = 34,366.88/x
  3. Step 3: Cross multiply
    39,685.28x = 59,385.78 × 34,366.88
  4. Step 4: Simplify right side
    39,685.28x = 2,040,903,974.97
  5. Step 5: Solve for x
    x = 2,040,903,974.97/39,685.28
  6. Step 6: Final answer
    x = 51,427.23

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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.