Home / 51,987.60-77,933.52-16,909.20

Finding the Fourth Proportional to 51,987.60, 77,933.52 and 16,909.20

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Solution

The fourth proportional to 51,987.60, 77,933.52 and 16,909.20 is: 25,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.60 : 77,933.52 = 16,909.20 : x
  2. Step 2: Convert to fraction form
    51,987.60/77,933.52 = 16,909.20/x
  3. Step 3: Cross multiply
    51,987.60x = 77,933.52 × 16,909.20
  4. Step 4: Simplify right side
    51,987.60x = 1,317,793,476.38
  5. Step 5: Solve for x
    x = 1,317,793,476.38/51,987.60
  6. Step 6: Final answer
    x = 25,348.23

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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.