Home / 41,208.20-61,812.30-28,086.20

Finding the Fourth Proportional to 41,208.20, 61,812.30 and 28,086.20

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Solution

The fourth proportional to 41,208.20, 61,812.30 and 28,086.20 is: 42,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,208.20 : 61,812.30 = 28,086.20 : x
  2. Step 2: Convert to fraction form
    41,208.20/61,812.30 = 28,086.20/x
  3. Step 3: Cross multiply
    41,208.20x = 61,812.30 × 28,086.20
  4. Step 4: Simplify right side
    41,208.20x = 1,736,072,620.26
  5. Step 5: Solve for x
    x = 1,736,072,620.26/41,208.20
  6. Step 6: Final answer
    x = 42,129.30

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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.