Home / 31,309.20-43,248.09-23,337.57

Finding the Fourth Proportional to 31,309.20, 43,248.09 and 23,337.57

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Solution

The fourth proportional to 31,309.20, 43,248.09 and 23,337.57 is: 32,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,309.20 : 43,248.09 = 23,337.57 : x
  2. Step 2: Convert to fraction form
    31,309.20/43,248.09 = 23,337.57/x
  3. Step 3: Cross multiply
    31,309.20x = 43,248.09 × 23,337.57
  4. Step 4: Simplify right side
    31,309.20x = 1,009,305,327.74
  5. Step 5: Solve for x
    x = 1,009,305,327.74/31,309.20
  6. Step 6: Final answer
    x = 32,236.70

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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.