Home / 31,500.30-43,470.60-17,353.26

Finding the Fourth Proportional to 31,500.30, 43,470.60 and 17,353.26

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Solution

The fourth proportional to 31,500.30, 43,470.60 and 17,353.26 is: 23,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.30 : 43,470.60 = 17,353.26 : x
  2. Step 2: Convert to fraction form
    31,500.30/43,470.60 = 17,353.26/x
  3. Step 3: Cross multiply
    31,500.30x = 43,470.60 × 17,353.26
  4. Step 4: Simplify right side
    31,500.30x = 754,356,624.16
  5. Step 5: Solve for x
    x = 754,356,624.16/31,500.30
  6. Step 6: Final answer
    x = 23,947.60

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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.