Home / 52,897.90-79,346.52-13,454.68

Finding the Fourth Proportional to 52,897.90, 79,346.52 and 13,454.68

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Solution

The fourth proportional to 52,897.90, 79,346.52 and 13,454.68 is: 20,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,897.90 : 79,346.52 = 13,454.68 : x
  2. Step 2: Convert to fraction form
    52,897.90/79,346.52 = 13,454.68/x
  3. Step 3: Cross multiply
    52,897.90x = 79,346.52 × 13,454.68
  4. Step 4: Simplify right side
    52,897.90x = 1,067,582,035.71
  5. Step 5: Solve for x
    x = 1,067,582,035.71/52,897.90
  6. Step 6: Final answer
    x = 20,181.94

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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.