Home / 31,765.20-43,833.05-17,615.31

Finding the Fourth Proportional to 31,765.20, 43,833.05 and 17,615.31

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Solution

The fourth proportional to 31,765.20, 43,833.05 and 17,615.31 is: 24,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.20 : 43,833.05 = 17,615.31 : x
  2. Step 2: Convert to fraction form
    31,765.20/43,833.05 = 17,615.31/x
  3. Step 3: Cross multiply
    31,765.20x = 43,833.05 × 17,615.31
  4. Step 4: Simplify right side
    31,765.20x = 772,132,675.92
  5. Step 5: Solve for x
    x = 772,132,675.92/31,765.20
  6. Step 6: Final answer
    x = 24,307.50

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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.