Home / 52,347.10-78,514.14-16,805.61

Finding the Fourth Proportional to 52,347.10, 78,514.14 and 16,805.61

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Solution

The fourth proportional to 52,347.10, 78,514.14 and 16,805.61 is: 25,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,347.10 : 78,514.14 = 16,805.61 : x
  2. Step 2: Convert to fraction form
    52,347.10/78,514.14 = 16,805.61/x
  3. Step 3: Cross multiply
    52,347.10x = 78,514.14 × 16,805.61
  4. Step 4: Simplify right side
    52,347.10x = 1,319,478,016.33
  5. Step 5: Solve for x
    x = 1,319,478,016.33/52,347.10
  6. Step 6: Final answer
    x = 25,206.33

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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.