Home / 42,948.30-64,338.54-29,589.78

Finding the Fourth Proportional to 42,948.30, 64,338.54 and 29,589.78

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Solution

The fourth proportional to 42,948.30, 64,338.54 and 29,589.78 is: 44,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,948.30 : 64,338.54 = 29,589.78 : x
  2. Step 2: Convert to fraction form
    42,948.30/64,338.54 = 29,589.78/x
  3. Step 3: Cross multiply
    42,948.30x = 64,338.54 × 29,589.78
  4. Step 4: Simplify right side
    42,948.30x = 1,903,763,244.12
  5. Step 5: Solve for x
    x = 1,903,763,244.12/42,948.30
  6. Step 6: Final answer
    x = 44,326.86

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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.