Home / 53,261.17-79,891.76-18,201.13

Finding the Fourth Proportional to 53,261.17, 79,891.76 and 18,201.13

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Solution

The fourth proportional to 53,261.17, 79,891.76 and 18,201.13 is: 27,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.17 : 79,891.76 = 18,201.13 : x
  2. Step 2: Convert to fraction form
    53,261.17/79,891.76 = 18,201.13/x
  3. Step 3: Cross multiply
    53,261.17x = 79,891.76 × 18,201.13
  4. Step 4: Simplify right side
    53,261.17x = 1,454,120,309.69
  5. Step 5: Solve for x
    x = 1,454,120,309.69/53,261.17
  6. Step 6: Final answer
    x = 27,301.70

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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.