Home / 52,300.85-78,432.29-28,625.89

Finding the Fourth Proportional to 52,300.85, 78,432.29 and 28,625.89

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Solution

The fourth proportional to 52,300.85, 78,432.29 and 28,625.89 is: 42,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,300.85 : 78,432.29 = 28,625.89 : x
  2. Step 2: Convert to fraction form
    52,300.85/78,432.29 = 28,625.89/x
  3. Step 3: Cross multiply
    52,300.85x = 78,432.29 × 28,625.89
  4. Step 4: Simplify right side
    52,300.85x = 2,245,194,105.99
  5. Step 5: Solve for x
    x = 2,245,194,105.99/52,300.85
  6. Step 6: Final answer
    x = 42,928.44

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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.