Home / 48,438.15-72,614.17-18,849.06

Finding the Fourth Proportional to 48,438.15, 72,614.17 and 18,849.06

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Solution

The fourth proportional to 48,438.15, 72,614.17 and 18,849.06 is: 28,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.15 : 72,614.17 = 18,849.06 : x
  2. Step 2: Convert to fraction form
    48,438.15/72,614.17 = 18,849.06/x
  3. Step 3: Cross multiply
    48,438.15x = 72,614.17 × 18,849.06
  4. Step 4: Simplify right side
    48,438.15x = 1,368,708,870.74
  5. Step 5: Solve for x
    x = 1,368,708,870.74/48,438.15
  6. Step 6: Final answer
    x = 28,256.84

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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.