Home / 36,765.75-55,139.51-10,470.72

Finding the Fourth Proportional to 36,765.75, 55,139.51 and 10,470.72

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Solution

The fourth proportional to 36,765.75, 55,139.51 and 10,470.72 is: 15,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,765.75 : 55,139.51 = 10,470.72 : x
  2. Step 2: Convert to fraction form
    36,765.75/55,139.51 = 10,470.72/x
  3. Step 3: Cross multiply
    36,765.75x = 55,139.51 × 10,470.72
  4. Step 4: Simplify right side
    36,765.75x = 577,350,042.10
  5. Step 5: Solve for x
    x = 577,350,042.10/36,765.75
  6. Step 6: Final answer
    x = 15,703.48

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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.