Home / 42,318.80-63,482.41-15,671.92

Finding the Fourth Proportional to 42,318.80, 63,482.41 and 15,671.92

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Solution

The fourth proportional to 42,318.80, 63,482.41 and 15,671.92 is: 23,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,318.80 : 63,482.41 = 15,671.92 : x
  2. Step 2: Convert to fraction form
    42,318.80/63,482.41 = 15,671.92/x
  3. Step 3: Cross multiply
    42,318.80x = 63,482.41 × 15,671.92
  4. Step 4: Simplify right side
    42,318.80x = 994,891,250.93
  5. Step 5: Solve for x
    x = 994,891,250.93/42,318.80
  6. Step 6: Final answer
    x = 23,509.44

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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.