Home / 48,448.04-72,685.82-18,874.34

Finding the Fourth Proportional to 48,448.04, 72,685.82 and 18,874.34

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Solution

The fourth proportional to 48,448.04, 72,685.82 and 18,874.34 is: 28,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,448.04 : 72,685.82 = 18,874.34 : x
  2. Step 2: Convert to fraction form
    48,448.04/72,685.82 = 18,874.34/x
  3. Step 3: Cross multiply
    48,448.04x = 72,685.82 × 18,874.34
  4. Step 4: Simplify right side
    48,448.04x = 1,371,896,879.86
  5. Step 5: Solve for x
    x = 1,371,896,879.86/48,448.04
  6. Step 6: Final answer
    x = 28,316.87

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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.