Home / 39,612.42-59,431.32-11,534.16

Finding the Fourth Proportional to 39,612.42, 59,431.32 and 11,534.16

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Solution

The fourth proportional to 39,612.42, 59,431.32 and 11,534.16 is: 17,304.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.42 : 59,431.32 = 11,534.16 : x
  2. Step 2: Convert to fraction form
    39,612.42/59,431.32 = 11,534.16/x
  3. Step 3: Cross multiply
    39,612.42x = 59,431.32 × 11,534.16
  4. Step 4: Simplify right side
    39,612.42x = 685,490,123.97
  5. Step 5: Solve for x
    x = 685,490,123.97/39,612.42
  6. Step 6: Final answer
    x = 17,304.93

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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.