Home / 48,073.15-72,135.60-20,012.59

Finding the Fourth Proportional to 48,073.15, 72,135.60 and 20,012.59

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Solution

The fourth proportional to 48,073.15, 72,135.60 and 20,012.59 is: 30,029.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,073.15 : 72,135.60 = 20,012.59 : x
  2. Step 2: Convert to fraction form
    48,073.15/72,135.60 = 20,012.59/x
  3. Step 3: Cross multiply
    48,073.15x = 72,135.60 × 20,012.59
  4. Step 4: Simplify right side
    48,073.15x = 1,443,620,187.20
  5. Step 5: Solve for x
    x = 1,443,620,187.20/48,073.15
  6. Step 6: Final answer
    x = 30,029.66

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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.