Home / 48,538.96-72,778.69-18,922.19

Finding the Fourth Proportional to 48,538.96, 72,778.69 and 18,922.19

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Solution

The fourth proportional to 48,538.96, 72,778.69 and 18,922.19 is: 28,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,538.96 : 72,778.69 = 18,922.19 : x
  2. Step 2: Convert to fraction form
    48,538.96/72,778.69 = 18,922.19/x
  3. Step 3: Cross multiply
    48,538.96x = 72,778.69 × 18,922.19
  4. Step 4: Simplify right side
    48,538.96x = 1,377,132,200.13
  5. Step 5: Solve for x
    x = 1,377,132,200.13/48,538.96
  6. Step 6: Final answer
    x = 28,371.69

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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.