Home / 31,423.38-43,364.19-17,276.46

Finding the Fourth Proportional to 31,423.38, 43,364.19 and 17,276.46

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Solution

The fourth proportional to 31,423.38, 43,364.19 and 17,276.46 is: 23,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.38 : 43,364.19 = 17,276.46 : x
  2. Step 2: Convert to fraction form
    31,423.38/43,364.19 = 17,276.46/x
  3. Step 3: Cross multiply
    31,423.38x = 43,364.19 × 17,276.46
  4. Step 4: Simplify right side
    31,423.38x = 749,179,693.97
  5. Step 5: Solve for x
    x = 749,179,693.97/31,423.38
  6. Step 6: Final answer
    x = 23,841.47

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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.