Home / 41,180.40-61,770.60-20,444.40

Finding the Fourth Proportional to 41,180.40, 61,770.60 and 20,444.40

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Solution

The fourth proportional to 41,180.40, 61,770.60 and 20,444.40 is: 30,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,180.40 : 61,770.60 = 20,444.40 : x
  2. Step 2: Convert to fraction form
    41,180.40/61,770.60 = 20,444.40/x
  3. Step 3: Cross multiply
    41,180.40x = 61,770.60 × 20,444.40
  4. Step 4: Simplify right side
    41,180.40x = 1,262,862,854.64
  5. Step 5: Solve for x
    x = 1,262,862,854.64/41,180.40
  6. Step 6: Final answer
    x = 30,666.60

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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.