Home / 36,478.08-54,694.17-15,407.28

Finding the Fourth Proportional to 36,478.08, 54,694.17 and 15,407.28

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Solution

The fourth proportional to 36,478.08, 54,694.17 and 15,407.28 is: 23,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.08 : 54,694.17 = 15,407.28 : x
  2. Step 2: Convert to fraction form
    36,478.08/54,694.17 = 15,407.28/x
  3. Step 3: Cross multiply
    36,478.08x = 54,694.17 × 15,407.28
  4. Step 4: Simplify right side
    36,478.08x = 842,688,391.56
  5. Step 5: Solve for x
    x = 842,688,391.56/36,478.08
  6. Step 6: Final answer
    x = 23,101.23

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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.