Home / 38,314.87-57,472.25-12,021.66

Finding the Fourth Proportional to 38,314.87, 57,472.25 and 12,021.66

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Solution

The fourth proportional to 38,314.87, 57,472.25 and 12,021.66 is: 18,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,314.87 : 57,472.25 = 12,021.66 : x
  2. Step 2: Convert to fraction form
    38,314.87/57,472.25 = 12,021.66/x
  3. Step 3: Cross multiply
    38,314.87x = 57,472.25 × 12,021.66
  4. Step 4: Simplify right side
    38,314.87x = 690,911,788.83
  5. Step 5: Solve for x
    x = 690,911,788.83/38,314.87
  6. Step 6: Final answer
    x = 18,032.47

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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.