Home / 38,521.70-57,777.15-12,229.10

Finding the Fourth Proportional to 38,521.70, 57,777.15 and 12,229.10

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Solution

The fourth proportional to 38,521.70, 57,777.15 and 12,229.10 is: 18,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.70 : 57,777.15 = 12,229.10 : x
  2. Step 2: Convert to fraction form
    38,521.70/57,777.15 = 12,229.10/x
  3. Step 3: Cross multiply
    38,521.70x = 57,777.15 × 12,229.10
  4. Step 4: Simplify right side
    38,521.70x = 706,562,545.07
  5. Step 5: Solve for x
    x = 706,562,545.07/38,521.70
  6. Step 6: Final answer
    x = 18,341.94

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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.