Home / 31,367.13-43,281.05-17,755.10

Finding the Fourth Proportional to 31,367.13, 43,281.05 and 17,755.10

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Solution

The fourth proportional to 31,367.13, 43,281.05 and 17,755.10 is: 24,498.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.13 : 43,281.05 = 17,755.10 : x
  2. Step 2: Convert to fraction form
    31,367.13/43,281.05 = 17,755.10/x
  3. Step 3: Cross multiply
    31,367.13x = 43,281.05 × 17,755.10
  4. Step 4: Simplify right side
    31,367.13x = 768,459,282.08
  5. Step 5: Solve for x
    x = 768,459,282.08/31,367.13
  6. Step 6: Final answer
    x = 24,498.88

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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.