Home / 48,486.92-72,722.14-13,418.38

Finding the Fourth Proportional to 48,486.92, 72,722.14 and 13,418.38

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Solution

The fourth proportional to 48,486.92, 72,722.14 and 13,418.38 is: 20,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,486.92 : 72,722.14 = 13,418.38 : x
  2. Step 2: Convert to fraction form
    48,486.92/72,722.14 = 13,418.38/x
  3. Step 3: Cross multiply
    48,486.92x = 72,722.14 × 13,418.38
  4. Step 4: Simplify right side
    48,486.92x = 975,813,308.93
  5. Step 5: Solve for x
    x = 975,813,308.93/48,486.92
  6. Step 6: Final answer
    x = 20,125.29

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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.