Home / 52,396.12-72,306.62-28,522.78

Finding the Fourth Proportional to 52,396.12, 72,306.62 and 28,522.78

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Solution

The fourth proportional to 52,396.12, 72,306.62 and 28,522.78 is: 39,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,396.12 : 72,306.62 = 28,522.78 : x
  2. Step 2: Convert to fraction form
    52,396.12/72,306.62 = 28,522.78/x
  3. Step 3: Cross multiply
    52,396.12x = 72,306.62 × 28,522.78
  4. Step 4: Simplify right side
    52,396.12x = 2,062,386,165.55
  5. Step 5: Solve for x
    x = 2,062,386,165.55/52,396.12
  6. Step 6: Final answer
    x = 39,361.43

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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.