Home / 48,435.48-72,671.85-18,874.26

Finding the Fourth Proportional to 48,435.48, 72,671.85 and 18,874.26

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Solution

The fourth proportional to 48,435.48, 72,671.85 and 18,874.26 is: 28,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.48 : 72,671.85 = 18,874.26 : x
  2. Step 2: Convert to fraction form
    48,435.48/72,671.85 = 18,874.26/x
  3. Step 3: Cross multiply
    48,435.48x = 72,671.85 × 18,874.26
  4. Step 4: Simplify right side
    48,435.48x = 1,371,627,391.58
  5. Step 5: Solve for x
    x = 1,371,627,391.58/48,435.48
  6. Step 6: Final answer
    x = 28,318.65

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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.