Home / 38,862.20-58,293.30-12,569.60

Finding the Fourth Proportional to 38,862.20, 58,293.30 and 12,569.60

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Solution

The fourth proportional to 38,862.20, 58,293.30 and 12,569.60 is: 18,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862.20 : 58,293.30 = 12,569.60 : x
  2. Step 2: Convert to fraction form
    38,862.20/58,293.30 = 12,569.60/x
  3. Step 3: Cross multiply
    38,862.20x = 58,293.30 × 12,569.60
  4. Step 4: Simplify right side
    38,862.20x = 732,723,463.68
  5. Step 5: Solve for x
    x = 732,723,463.68/38,862.20
  6. Step 6: Final answer
    x = 18,854.40

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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.