Home / 42,253.32-63,380.82-12,671.64

Finding the Fourth Proportional to 42,253.32, 63,380.82 and 12,671.64

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Solution

The fourth proportional to 42,253.32, 63,380.82 and 12,671.64 is: 19,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,253.32 : 63,380.82 = 12,671.64 : x
  2. Step 2: Convert to fraction form
    42,253.32/63,380.82 = 12,671.64/x
  3. Step 3: Cross multiply
    42,253.32x = 63,380.82 × 12,671.64
  4. Step 4: Simplify right side
    42,253.32x = 803,138,933.94
  5. Step 5: Solve for x
    x = 803,138,933.94/42,253.32
  6. Step 6: Final answer
    x = 19,007.71

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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.