Home / 49,733.80-74,543.10-20,132.20

Finding the Fourth Proportional to 49,733.80, 74,543.10 and 20,132.20

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Solution

The fourth proportional to 49,733.80, 74,543.10 and 20,132.20 is: 30,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,733.80 : 74,543.10 = 20,132.20 : x
  2. Step 2: Convert to fraction form
    49,733.80/74,543.10 = 20,132.20/x
  3. Step 3: Cross multiply
    49,733.80x = 74,543.10 × 20,132.20
  4. Step 4: Simplify right side
    49,733.80x = 1,500,716,597.82
  5. Step 5: Solve for x
    x = 1,500,716,597.82/49,733.80
  6. Step 6: Final answer
    x = 30,174.98

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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.