Home / 63,172.28-87,174.96-34,877.36

Finding the Fourth Proportional to 63,172.28, 87,174.96 and 34,877.36

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Solution

The fourth proportional to 63,172.28, 87,174.96 and 34,877.36 is: 48,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,172.28 : 87,174.96 = 34,877.36 : x
  2. Step 2: Convert to fraction form
    63,172.28/87,174.96 = 34,877.36/x
  3. Step 3: Cross multiply
    63,172.28x = 87,174.96 × 34,877.36
  4. Step 4: Simplify right side
    63,172.28x = 3,040,432,462.91
  5. Step 5: Solve for x
    x = 3,040,432,462.91/63,172.28
  6. Step 6: Final answer
    x = 48,129.22

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1.5x scale

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.