Home / 38,639.80-57,959.70-16,453.90

Finding the Fourth Proportional to 38,639.80, 57,959.70 and 16,453.90

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Solution

The fourth proportional to 38,639.80, 57,959.70 and 16,453.90 is: 24,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.80 : 57,959.70 = 16,453.90 : x
  2. Step 2: Convert to fraction form
    38,639.80/57,959.70 = 16,453.90/x
  3. Step 3: Cross multiply
    38,639.80x = 57,959.70 × 16,453.90
  4. Step 4: Simplify right side
    38,639.80x = 953,663,107.83
  5. Step 5: Solve for x
    x = 953,663,107.83/38,639.80
  6. Step 6: Final answer
    x = 24,680.85

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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.