Home / 45,616.60-62,951.88-28,621.50

Finding the Fourth Proportional to 45,616.60, 62,951.88 and 28,621.50

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Solution

The fourth proportional to 45,616.60, 62,951.88 and 28,621.50 is: 39,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,616.60 : 62,951.88 = 28,621.50 : x
  2. Step 2: Convert to fraction form
    45,616.60/62,951.88 = 28,621.50/x
  3. Step 3: Cross multiply
    45,616.60x = 62,951.88 × 28,621.50
  4. Step 4: Simplify right side
    45,616.60x = 1,801,777,233.42
  5. Step 5: Solve for x
    x = 1,801,777,233.42/45,616.60
  6. Step 6: Final answer
    x = 39,498.28

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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.