Home / 41,110.80-61,666.20-28,426.20

Finding the Fourth Proportional to 41,110.80, 61,666.20 and 28,426.20

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Solution

The fourth proportional to 41,110.80, 61,666.20 and 28,426.20 is: 42,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,110.80 : 61,666.20 = 28,426.20 : x
  2. Step 2: Convert to fraction form
    41,110.80/61,666.20 = 28,426.20/x
  3. Step 3: Cross multiply
    41,110.80x = 61,666.20 × 28,426.20
  4. Step 4: Simplify right side
    41,110.80x = 1,752,935,734.44
  5. Step 5: Solve for x
    x = 1,752,935,734.44/41,110.80
  6. Step 6: Final answer
    x = 42,639.30

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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.