Home / 48,084.03-72,119.30-12,542.45

Finding the Fourth Proportional to 48,084.03, 72,119.30 and 12,542.45

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Solution

The fourth proportional to 48,084.03, 72,119.30 and 12,542.45 is: 18,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,084.03 : 72,119.30 = 12,542.45 : x
  2. Step 2: Convert to fraction form
    48,084.03/72,119.30 = 12,542.45/x
  3. Step 3: Cross multiply
    48,084.03x = 72,119.30 × 12,542.45
  4. Step 4: Simplify right side
    48,084.03x = 904,552,290.98
  5. Step 5: Solve for x
    x = 904,552,290.98/48,084.03
  6. Step 6: Final answer
    x = 18,811.91

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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.