Home / 38,461.52-57,718.20-17,407.28

Finding the Fourth Proportional to 38,461.52, 57,718.20 and 17,407.28

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Solution

The fourth proportional to 38,461.52, 57,718.20 and 17,407.28 is: 26,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461.52 : 57,718.20 = 17,407.28 : x
  2. Step 2: Convert to fraction form
    38,461.52/57,718.20 = 17,407.28/x
  3. Step 3: Cross multiply
    38,461.52x = 57,718.20 × 17,407.28
  4. Step 4: Simplify right side
    38,461.52x = 1,004,716,868.50
  5. Step 5: Solve for x
    x = 1,004,716,868.50/38,461.52
  6. Step 6: Final answer
    x = 26,122.65

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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.