Home / 48,176.40-72,277.20-18,595.20

Finding the Fourth Proportional to 48,176.40, 72,277.20 and 18,595.20

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Solution

The fourth proportional to 48,176.40, 72,277.20 and 18,595.20 is: 27,897.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,176.40 : 72,277.20 = 18,595.20 : x
  2. Step 2: Convert to fraction form
    48,176.40/72,277.20 = 18,595.20/x
  3. Step 3: Cross multiply
    48,176.40x = 72,277.20 × 18,595.20
  4. Step 4: Simplify right side
    48,176.40x = 1,344,008,989.44
  5. Step 5: Solve for x
    x = 1,344,008,989.44/48,176.40
  6. Step 6: Final answer
    x = 27,897.66

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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.