Home / 31,454.70-43,402.53-18,023.37

Finding the Fourth Proportional to 31,454.70, 43,402.53 and 18,023.37

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Solution

The fourth proportional to 31,454.70, 43,402.53 and 18,023.37 is: 24,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.70 : 43,402.53 = 18,023.37 : x
  2. Step 2: Convert to fraction form
    31,454.70/43,402.53 = 18,023.37/x
  3. Step 3: Cross multiply
    31,454.70x = 43,402.53 × 18,023.37
  4. Step 4: Simplify right side
    31,454.70x = 782,259,857.13
  5. Step 5: Solve for x
    x = 782,259,857.13/31,454.70
  6. Step 6: Final answer
    x = 24,869.41

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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.