Home / 52,649.35-72,647.70-29,988.78

Finding the Fourth Proportional to 52,649.35, 72,647.70 and 29,988.78

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Solution

The fourth proportional to 52,649.35, 72,647.70 and 29,988.78 is: 41,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,649.35 : 72,647.70 = 29,988.78 : x
  2. Step 2: Convert to fraction form
    52,649.35/72,647.70 = 29,988.78/x
  3. Step 3: Cross multiply
    52,649.35x = 72,647.70 × 29,988.78
  4. Step 4: Simplify right side
    52,649.35x = 2,178,616,085.25
  5. Step 5: Solve for x
    x = 2,178,616,085.25/52,649.35
  6. Step 6: Final answer
    x = 41,379.73

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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.