Home / 38,318.24-57,512.12-19,611.20

Finding the Fourth Proportional to 38,318.24, 57,512.12 and 19,611.20

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Solution

The fourth proportional to 38,318.24, 57,512.12 and 19,611.20 is: 29,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.24 : 57,512.12 = 19,611.20 : x
  2. Step 2: Convert to fraction form
    38,318.24/57,512.12 = 19,611.20/x
  3. Step 3: Cross multiply
    38,318.24x = 57,512.12 × 19,611.20
  4. Step 4: Simplify right side
    38,318.24x = 1,127,881,687.74
  5. Step 5: Solve for x
    x = 1,127,881,687.74/38,318.24
  6. Step 6: Final answer
    x = 29,434.59

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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.