Home / 52,508.03-78,712.22-20,937.49

Finding the Fourth Proportional to 52,508.03, 78,712.22 and 20,937.49

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Solution

The fourth proportional to 52,508.03, 78,712.22 and 20,937.49 is: 31,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,508.03 : 78,712.22 = 20,937.49 : x
  2. Step 2: Convert to fraction form
    52,508.03/78,712.22 = 20,937.49/x
  3. Step 3: Cross multiply
    52,508.03x = 78,712.22 × 20,937.49
  4. Step 4: Simplify right side
    52,508.03x = 1,648,036,174.69
  5. Step 5: Solve for x
    x = 1,648,036,174.69/52,508.03
  6. Step 6: Final answer
    x = 31,386.37

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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.