Home / 31,995.68-44,139.78-18,559.17

Finding the Fourth Proportional to 31,995.68, 44,139.78 and 18,559.17

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Solution

The fourth proportional to 31,995.68, 44,139.78 and 18,559.17 is: 25,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.68 : 44,139.78 = 18,559.17 : x
  2. Step 2: Convert to fraction form
    31,995.68/44,139.78 = 18,559.17/x
  3. Step 3: Cross multiply
    31,995.68x = 44,139.78 × 18,559.17
  4. Step 4: Simplify right side
    31,995.68x = 819,197,680.78
  5. Step 5: Solve for x
    x = 819,197,680.78/31,995.68
  6. Step 6: Final answer
    x = 25,603.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.