Home / 39,930.56-59,937.38-29,412.45

Finding the Fourth Proportional to 39,930.56, 59,937.38 and 29,412.45

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Solution

The fourth proportional to 39,930.56, 59,937.38 and 29,412.45 is: 44,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.56 : 59,937.38 = 29,412.45 : x
  2. Step 2: Convert to fraction form
    39,930.56/59,937.38 = 29,412.45/x
  3. Step 3: Cross multiply
    39,930.56x = 59,937.38 × 29,412.45
  4. Step 4: Simplify right side
    39,930.56x = 1,762,905,045.32
  5. Step 5: Solve for x
    x = 1,762,905,045.32/39,930.56
  6. Step 6: Final answer
    x = 44,149.27

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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.