Home / 42,455.80-63,675.52-40,348.44

Finding the Fourth Proportional to 42,455.80, 63,675.52 and 40,348.44

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Solution

The fourth proportional to 42,455.80, 63,675.52 and 40,348.44 is: 60,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.80 : 63,675.52 = 40,348.44 : x
  2. Step 2: Convert to fraction form
    42,455.80/63,675.52 = 40,348.44/x
  3. Step 3: Cross multiply
    42,455.80x = 63,675.52 × 40,348.44
  4. Step 4: Simplify right side
    42,455.80x = 2,569,207,898.19
  5. Step 5: Solve for x
    x = 2,569,207,898.19/42,455.80
  6. Step 6: Final answer
    x = 60,514.89

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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.