Home / 51,665.40-77,424.18-29,432.88

Finding the Fourth Proportional to 51,665.40, 77,424.18 and 29,432.88

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Solution

The fourth proportional to 51,665.40, 77,424.18 and 29,432.88 is: 44,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665.40 : 77,424.18 = 29,432.88 : x
  2. Step 2: Convert to fraction form
    51,665.40/77,424.18 = 29,432.88/x
  3. Step 3: Cross multiply
    51,665.40x = 77,424.18 × 29,432.88
  4. Step 4: Simplify right side
    51,665.40x = 2,278,816,599.04
  5. Step 5: Solve for x
    x = 2,278,816,599.04/51,665.40
  6. Step 6: Final answer
    x = 44,107.21

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1.5x scale

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.