Home / 38,854.20-58,266.90-12,559.80

Finding the Fourth Proportional to 38,854.20, 58,266.90 and 12,559.80

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Solution

The fourth proportional to 38,854.20, 58,266.90 and 12,559.80 is: 18,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,854.20 : 58,266.90 = 12,559.80 : x
  2. Step 2: Convert to fraction form
    38,854.20/58,266.90 = 12,559.80/x
  3. Step 3: Cross multiply
    38,854.20x = 58,266.90 × 12,559.80
  4. Step 4: Simplify right side
    38,854.20x = 731,820,610.62
  5. Step 5: Solve for x
    x = 731,820,610.62/38,854.20
  6. Step 6: Final answer
    x = 18,835.05

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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.