Home / 39,129.43-58,701.45-12,841.69

Finding the Fourth Proportional to 39,129.43, 58,701.45 and 12,841.69

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Solution

The fourth proportional to 39,129.43, 58,701.45 and 12,841.69 is: 19,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.43 : 58,701.45 = 12,841.69 : x
  2. Step 2: Convert to fraction form
    39,129.43/58,701.45 = 12,841.69/x
  3. Step 3: Cross multiply
    39,129.43x = 58,701.45 × 12,841.69
  4. Step 4: Simplify right side
    39,129.43x = 753,825,823.45
  5. Step 5: Solve for x
    x = 753,825,823.45/39,129.43
  6. Step 6: Final answer
    x = 19,264.93

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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.