Home / 31,486.59-43,451.22-17,339.13

Finding the Fourth Proportional to 31,486.59, 43,451.22 and 17,339.13

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Solution

The fourth proportional to 31,486.59, 43,451.22 and 17,339.13 is: 23,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.59 : 43,451.22 = 17,339.13 : x
  2. Step 2: Convert to fraction form
    31,486.59/43,451.22 = 17,339.13/x
  3. Step 3: Cross multiply
    31,486.59x = 43,451.22 × 17,339.13
  4. Step 4: Simplify right side
    31,486.59x = 753,406,352.24
  5. Step 5: Solve for x
    x = 753,406,352.24/31,486.59
  6. Step 6: Final answer
    x = 23,927.85

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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.