Home / 58,049.20-86,957.12-30,288.88

Finding the Fourth Proportional to 58,049.20, 86,957.12 and 30,288.88

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Solution

The fourth proportional to 58,049.20, 86,957.12 and 30,288.88 is: 45,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,049.20 : 86,957.12 = 30,288.88 : x
  2. Step 2: Convert to fraction form
    58,049.20/86,957.12 = 30,288.88/x
  3. Step 3: Cross multiply
    58,049.20x = 86,957.12 × 30,288.88
  4. Step 4: Simplify right side
    58,049.20x = 2,633,833,772.83
  5. Step 5: Solve for x
    x = 2,633,833,772.83/58,049.20
  6. Step 6: Final answer
    x = 45,372.44

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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.