Home / 31,265.28-43,146.81-17,119.17

Finding the Fourth Proportional to 31,265.28, 43,146.81 and 17,119.17

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Solution

The fourth proportional to 31,265.28, 43,146.81 and 17,119.17 is: 23,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,265.28 : 43,146.81 = 17,119.17 : x
  2. Step 2: Convert to fraction form
    31,265.28/43,146.81 = 17,119.17/x
  3. Step 3: Cross multiply
    31,265.28x = 43,146.81 × 17,119.17
  4. Step 4: Simplify right side
    31,265.28x = 738,637,575.35
  5. Step 5: Solve for x
    x = 738,637,575.35/31,265.28
  6. Step 6: Final answer
    x = 23,624.85

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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.