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Finding the Fourth Proportional to 60,007.32, 90,024.72 and 20,564.40

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Solution

The fourth proportional to 60,007.32, 90,024.72 and 20,564.40 is: 30,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,007.32 : 90,024.72 = 20,564.40 : x
  2. Step 2: Convert to fraction form
    60,007.32/90,024.72 = 20,564.40/x
  3. Step 3: Cross multiply
    60,007.32x = 90,024.72 × 20,564.40
  4. Step 4: Simplify right side
    60,007.32x = 1,851,304,351.97
  5. Step 5: Solve for x
    x = 1,851,304,351.97/60,007.32
  6. Step 6: Final answer
    x = 30,851.31

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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.