Home / 41,142.87-61,716.47-13,065.17

Finding the Fourth Proportional to 41,142.87, 61,716.47 and 13,065.17

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Solution

The fourth proportional to 41,142.87, 61,716.47 and 13,065.17 is: 19,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,142.87 : 61,716.47 = 13,065.17 : x
  2. Step 2: Convert to fraction form
    41,142.87/61,716.47 = 13,065.17/x
  3. Step 3: Cross multiply
    41,142.87x = 61,716.47 × 13,065.17
  4. Step 4: Simplify right side
    41,142.87x = 806,335,798.44
  5. Step 5: Solve for x
    x = 806,335,798.44/41,142.87
  6. Step 6: Final answer
    x = 19,598.43

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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.