Home / 48,438.91-72,619.14-15,141.83

Finding the Fourth Proportional to 48,438.91, 72,619.14 and 15,141.83

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Solution

The fourth proportional to 48,438.91, 72,619.14 and 15,141.83 is: 22,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.91 : 72,619.14 = 15,141.83 : x
  2. Step 2: Convert to fraction form
    48,438.91/72,619.14 = 15,141.83/x
  3. Step 3: Cross multiply
    48,438.91x = 72,619.14 × 15,141.83
  4. Step 4: Simplify right side
    48,438.91x = 1,099,586,672.63
  5. Step 5: Solve for x
    x = 1,099,586,672.63/48,438.91
  6. Step 6: Final answer
    x = 22,700.48

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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.