Home / 38,854.20-58,281.30-12,577.80

Finding the Fourth Proportional to 38,854.20, 58,281.30 and 12,577.80

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Solution

The fourth proportional to 38,854.20, 58,281.30 and 12,577.80 is: 18,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854.20 : 58,281.30 = 12,577.80 : x
  2. Step 2: Convert to fraction form
    38,854.20/58,281.30 = 12,577.80/x
  3. Step 3: Cross multiply
    38,854.20x = 58,281.30 × 12,577.80
  4. Step 4: Simplify right side
    38,854.20x = 733,050,535.14
  5. Step 5: Solve for x
    x = 733,050,535.14/38,854.20
  6. Step 6: Final answer
    x = 18,866.70

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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.