Home / 38,240.96-57,367.28-19,510.79

Finding the Fourth Proportional to 38,240.96, 57,367.28 and 19,510.79

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Solution

The fourth proportional to 38,240.96, 57,367.28 and 19,510.79 is: 29,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.96 : 57,367.28 = 19,510.79 : x
  2. Step 2: Convert to fraction form
    38,240.96/57,367.28 = 19,510.79/x
  3. Step 3: Cross multiply
    38,240.96x = 57,367.28 × 19,510.79
  4. Step 4: Simplify right side
    38,240.96x = 1,119,280,568.56
  5. Step 5: Solve for x
    x = 1,119,280,568.56/38,240.96
  6. Step 6: Final answer
    x = 29,269.16

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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.