Home / 39,757.20-59,635.80-31,009.20

Finding the Fourth Proportional to 39,757.20, 59,635.80 and 31,009.20

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Solution

The fourth proportional to 39,757.20, 59,635.80 and 31,009.20 is: 46,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.20 : 59,635.80 = 31,009.20 : x
  2. Step 2: Convert to fraction form
    39,757.20/59,635.80 = 31,009.20/x
  3. Step 3: Cross multiply
    39,757.20x = 59,635.80 × 31,009.20
  4. Step 4: Simplify right side
    39,757.20x = 1,849,258,449.36
  5. Step 5: Solve for x
    x = 1,849,258,449.36/39,757.20
  6. Step 6: Final answer
    x = 46,513.80

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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.