Home / 42,447.10-63,670.65-33,115.90

Finding the Fourth Proportional to 42,447.10, 63,670.65 and 33,115.90

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Solution

The fourth proportional to 42,447.10, 63,670.65 and 33,115.90 is: 49,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,447.10 : 63,670.65 = 33,115.90 : x
  2. Step 2: Convert to fraction form
    42,447.10/63,670.65 = 33,115.90/x
  3. Step 3: Cross multiply
    42,447.10x = 63,670.65 × 33,115.90
  4. Step 4: Simplify right side
    42,447.10x = 2,108,510,878.34
  5. Step 5: Solve for x
    x = 2,108,510,878.34/42,447.10
  6. Step 6: Final answer
    x = 49,673.85

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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.