Home / 39,424.28-59,105-22,765.40

Finding the Fourth Proportional to 39,424.28, 59,105 and 22,765.40

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Solution

The fourth proportional to 39,424.28, 59,105 and 22,765.40 is: 34,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,424.28 : 59,105 = 22,765.40 : x
  2. Step 2: Convert to fraction form
    39,424.28/59,105 = 22,765.40/x
  3. Step 3: Cross multiply
    39,424.28x = 59,105 × 22,765.40
  4. Step 4: Simplify right side
    39,424.28x = 1,345,548,967
  5. Step 5: Solve for x
    x = 1,345,548,967/39,424.28
  6. Step 6: Final answer
    x = 34,129.96

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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.