Home / 48,002.10-72,003.15-36,078.90

Finding the Fourth Proportional to 48,002.10, 72,003.15 and 36,078.90

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Solution

The fourth proportional to 48,002.10, 72,003.15 and 36,078.90 is: 54,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,002.10 : 72,003.15 = 36,078.90 : x
  2. Step 2: Convert to fraction form
    48,002.10/72,003.15 = 36,078.90/x
  3. Step 3: Cross multiply
    48,002.10x = 72,003.15 × 36,078.90
  4. Step 4: Simplify right side
    48,002.10x = 2,597,794,448.54
  5. Step 5: Solve for x
    x = 2,597,794,448.54/48,002.10
  6. Step 6: Final answer
    x = 54,118.35

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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.