Home / 63,135.72-87,048.52-40,437.44

Finding the Fourth Proportional to 63,135.72, 87,048.52 and 40,437.44

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Solution

The fourth proportional to 63,135.72, 87,048.52 and 40,437.44 is: 55,753.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,135.72 : 87,048.52 = 40,437.44 : x
  2. Step 2: Convert to fraction form
    63,135.72/87,048.52 = 40,437.44/x
  3. Step 3: Cross multiply
    63,135.72x = 87,048.52 × 40,437.44
  4. Step 4: Simplify right side
    63,135.72x = 3,520,019,304.59
  5. Step 5: Solve for x
    x = 3,520,019,304.59/63,135.72
  6. Step 6: Final answer
    x = 55,753.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.