Home / 48,755.96-73,160.40-20,691.80

Finding the Fourth Proportional to 48,755.96, 73,160.40 and 20,691.80

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Solution

The fourth proportional to 48,755.96, 73,160.40 and 20,691.80 is: 31,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.96 : 73,160.40 = 20,691.80 : x
  2. Step 2: Convert to fraction form
    48,755.96/73,160.40 = 20,691.80/x
  3. Step 3: Cross multiply
    48,755.96x = 73,160.40 × 20,691.80
  4. Step 4: Simplify right side
    48,755.96x = 1,513,820,364.72
  5. Step 5: Solve for x
    x = 1,513,820,364.72/48,755.96
  6. Step 6: Final answer
    x = 31,048.93

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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.