Home / 34,142.28-47,115.69-19,034.46

Finding the Fourth Proportional to 34,142.28, 47,115.69 and 19,034.46

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Solution

The fourth proportional to 34,142.28, 47,115.69 and 19,034.46 is: 26,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,142.28 : 47,115.69 = 19,034.46 : x
  2. Step 2: Convert to fraction form
    34,142.28/47,115.69 = 19,034.46/x
  3. Step 3: Cross multiply
    34,142.28x = 47,115.69 × 19,034.46
  4. Step 4: Simplify right side
    34,142.28x = 896,821,716.68
  5. Step 5: Solve for x
    x = 896,821,716.68/34,142.28
  6. Step 6: Final answer
    x = 26,267.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.