Home / 52,391.04-72,299.56-28,517.64

Finding the Fourth Proportional to 52,391.04, 72,299.56 and 28,517.64

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Solution

The fourth proportional to 52,391.04, 72,299.56 and 28,517.64 is: 39,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.04 : 72,299.56 = 28,517.64 : x
  2. Step 2: Convert to fraction form
    52,391.04/72,299.56 = 28,517.64/x
  3. Step 3: Cross multiply
    52,391.04x = 72,299.56 × 28,517.64
  4. Step 4: Simplify right side
    52,391.04x = 2,061,812,824.24
  5. Step 5: Solve for x
    x = 2,061,812,824.24/52,391.04
  6. Step 6: Final answer
    x = 39,354.30

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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.