Home / 41,278.31-61,887.21-13,182.17

Finding the Fourth Proportional to 41,278.31, 61,887.21 and 13,182.17

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Solution

The fourth proportional to 41,278.31, 61,887.21 and 13,182.17 is: 19,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,278.31 : 61,887.21 = 13,182.17 : x
  2. Step 2: Convert to fraction form
    41,278.31/61,887.21 = 13,182.17/x
  3. Step 3: Cross multiply
    41,278.31x = 61,887.21 × 13,182.17
  4. Step 4: Simplify right side
    41,278.31x = 815,807,657.13
  5. Step 5: Solve for x
    x = 815,807,657.13/41,278.31
  6. Step 6: Final answer
    x = 19,763.59

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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.