Home / 66,402.79-99,616.03-22,032.20

Finding the Fourth Proportional to 66,402.79, 99,616.03 and 22,032.20

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Solution

The fourth proportional to 66,402.79, 99,616.03 and 22,032.20 is: 33,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,402.79 : 99,616.03 = 22,032.20 : x
  2. Step 2: Convert to fraction form
    66,402.79/99,616.03 = 22,032.20/x
  3. Step 3: Cross multiply
    66,402.79x = 99,616.03 × 22,032.20
  4. Step 4: Simplify right side
    66,402.79x = 2,194,760,490.13
  5. Step 5: Solve for x
    x = 2,194,760,490.13/66,402.79
  6. Step 6: Final answer
    x = 33,052.23

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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.