Home / 39,064.80-58,591.20-12,769.68

Finding the Fourth Proportional to 39,064.80, 58,591.20 and 12,769.68

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Solution

The fourth proportional to 39,064.80, 58,591.20 and 12,769.68 is: 19,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064.80 : 58,591.20 = 12,769.68 : x
  2. Step 2: Convert to fraction form
    39,064.80/58,591.20 = 12,769.68/x
  3. Step 3: Cross multiply
    39,064.80x = 58,591.20 × 12,769.68
  4. Step 4: Simplify right side
    39,064.80x = 748,190,874.82
  5. Step 5: Solve for x
    x = 748,190,874.82/39,064.80
  6. Step 6: Final answer
    x = 19,152.56

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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.