Home / 39,158.10-58,737.15-12,863.70

Finding the Fourth Proportional to 39,158.10, 58,737.15 and 12,863.70

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Solution

The fourth proportional to 39,158.10, 58,737.15 and 12,863.70 is: 19,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,158.10 : 58,737.15 = 12,863.70 : x
  2. Step 2: Convert to fraction form
    39,158.10/58,737.15 = 12,863.70/x
  3. Step 3: Cross multiply
    39,158.10x = 58,737.15 × 12,863.70
  4. Step 4: Simplify right side
    39,158.10x = 755,577,076.46
  5. Step 5: Solve for x
    x = 755,577,076.46/39,158.10
  6. Step 6: Final answer
    x = 19,295.55

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1.5x scale

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.