Home / 39,690.66-59,251.98-38,305.56

Finding the Fourth Proportional to 39,690.66, 59,251.98 and 38,305.56

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Solution

The fourth proportional to 39,690.66, 59,251.98 and 38,305.56 is: 57,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.66 : 59,251.98 = 38,305.56 : x
  2. Step 2: Convert to fraction form
    39,690.66/59,251.98 = 38,305.56/x
  3. Step 3: Cross multiply
    39,690.66x = 59,251.98 × 38,305.56
  4. Step 4: Simplify right side
    39,690.66x = 2,269,680,275.01
  5. Step 5: Solve for x
    x = 2,269,680,275.01/39,690.66
  6. Step 6: Final answer
    x = 57,184.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.