Home / 48,111.42-72,167.22-18,543.18

Finding the Fourth Proportional to 48,111.42, 72,167.22 and 18,543.18

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Solution

The fourth proportional to 48,111.42, 72,167.22 and 18,543.18 is: 27,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,111.42 : 72,167.22 = 18,543.18 : x
  2. Step 2: Convert to fraction form
    48,111.42/72,167.22 = 18,543.18/x
  3. Step 3: Cross multiply
    48,111.42x = 72,167.22 × 18,543.18
  4. Step 4: Simplify right side
    48,111.42x = 1,338,209,750.56
  5. Step 5: Solve for x
    x = 1,338,209,750.56/48,111.42
  6. Step 6: Final answer
    x = 27,814.80

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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.