Home / 52,861.97-72,951.62-28,989.50

Finding the Fourth Proportional to 52,861.97, 72,951.62 and 28,989.50

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Solution

The fourth proportional to 52,861.97, 72,951.62 and 28,989.50 is: 40,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861.97 : 72,951.62 = 28,989.50 : x
  2. Step 2: Convert to fraction form
    52,861.97/72,951.62 = 28,989.50/x
  3. Step 3: Cross multiply
    52,861.97x = 72,951.62 × 28,989.50
  4. Step 4: Simplify right side
    52,861.97x = 2,114,830,478.28
  5. Step 5: Solve for x
    x = 2,114,830,478.28/52,861.97
  6. Step 6: Final answer
    x = 40,006.66

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1.5x scale

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.