Home / 63,270.18-87,310.14-34,589.31

Finding the Fourth Proportional to 63,270.18, 87,310.14 and 34,589.31

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Solution

The fourth proportional to 63,270.18, 87,310.14 and 34,589.31 is: 47,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,270.18 : 87,310.14 = 34,589.31 : x
  2. Step 2: Convert to fraction form
    63,270.18/87,310.14 = 34,589.31/x
  3. Step 3: Cross multiply
    63,270.18x = 87,310.14 × 34,589.31
  4. Step 4: Simplify right side
    63,270.18x = 3,019,997,498.60
  5. Step 5: Solve for x
    x = 3,019,997,498.60/63,270.18
  6. Step 6: Final answer
    x = 47,731.77

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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.