Home / 31,615.52-43,631.87-17,470.89

Finding the Fourth Proportional to 31,615.52, 43,631.87 and 17,470.89

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Solution

The fourth proportional to 31,615.52, 43,631.87 and 17,470.89 is: 24,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.52 : 43,631.87 = 17,470.89 : x
  2. Step 2: Convert to fraction form
    31,615.52/43,631.87 = 17,470.89/x
  3. Step 3: Cross multiply
    31,615.52x = 43,631.87 × 17,470.89
  4. Step 4: Simplify right side
    31,615.52x = 762,287,513.91
  5. Step 5: Solve for x
    x = 762,287,513.91/31,615.52
  6. Step 6: Final answer
    x = 24,111.18

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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.