Home / 39,972.90-59,959.52-10,388.64

Finding the Fourth Proportional to 39,972.90, 59,959.52 and 10,388.64

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Solution

The fourth proportional to 39,972.90, 59,959.52 and 10,388.64 is: 15,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.90 : 59,959.52 = 10,388.64 : x
  2. Step 2: Convert to fraction form
    39,972.90/59,959.52 = 10,388.64/x
  3. Step 3: Cross multiply
    39,972.90x = 59,959.52 × 10,388.64
  4. Step 4: Simplify right side
    39,972.90x = 622,897,867.85
  5. Step 5: Solve for x
    x = 622,897,867.85/39,972.90
  6. Step 6: Final answer
    x = 15,583.00

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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.