Home / 52,220.76-78,331.14-31,575.48

Finding the Fourth Proportional to 52,220.76, 78,331.14 and 31,575.48

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Solution

The fourth proportional to 52,220.76, 78,331.14 and 31,575.48 is: 47,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220.76 : 78,331.14 = 31,575.48 : x
  2. Step 2: Convert to fraction form
    52,220.76/78,331.14 = 31,575.48/x
  3. Step 3: Cross multiply
    52,220.76x = 78,331.14 × 31,575.48
  4. Step 4: Simplify right side
    52,220.76x = 2,473,343,344.45
  5. Step 5: Solve for x
    x = 2,473,343,344.45/52,220.76
  6. Step 6: Final answer
    x = 47,363.22

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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.