Home / 38,584.18-57,887.22-12,290.95

Finding the Fourth Proportional to 38,584.18, 57,887.22 and 12,290.95

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Solution

The fourth proportional to 38,584.18, 57,887.22 and 12,290.95 is: 18,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.18 : 57,887.22 = 12,290.95 : x
  2. Step 2: Convert to fraction form
    38,584.18/57,887.22 = 12,290.95/x
  3. Step 3: Cross multiply
    38,584.18x = 57,887.22 × 12,290.95
  4. Step 4: Simplify right side
    38,584.18x = 711,488,637.22
  5. Step 5: Solve for x
    x = 711,488,637.22/38,584.18
  6. Step 6: Final answer
    x = 18,439.91

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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.