Home / 39,124.22-58,689.61-12,474

Finding the Fourth Proportional to 39,124.22, 58,689.61 and 12,474

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Solution

The fourth proportional to 39,124.22, 58,689.61 and 12,474 is: 18,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124.22 : 58,689.61 = 12,474 : x
  2. Step 2: Convert to fraction form
    39,124.22/58,689.61 = 12,474/x
  3. Step 3: Cross multiply
    39,124.22x = 58,689.61 × 12,474
  4. Step 4: Simplify right side
    39,124.22x = 732,094,234.12
  5. Step 5: Solve for x
    x = 732,094,234.12/39,124.22
  6. Step 6: Final answer
    x = 18,712.05

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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.