Home / 48,427.18-72,645.50-18,847.42

Finding the Fourth Proportional to 48,427.18, 72,645.50 and 18,847.42

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Solution

The fourth proportional to 48,427.18, 72,645.50 and 18,847.42 is: 28,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.18 : 72,645.50 = 18,847.42 : x
  2. Step 2: Convert to fraction form
    48,427.18/72,645.50 = 18,847.42/x
  3. Step 3: Cross multiply
    48,427.18x = 72,645.50 × 18,847.42
  4. Step 4: Simplify right side
    48,427.18x = 1,369,180,249.61
  5. Step 5: Solve for x
    x = 1,369,180,249.61/48,427.18
  6. Step 6: Final answer
    x = 28,272.97

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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.