Home / 31,359.27-43,278.87-17,932.51

Finding the Fourth Proportional to 31,359.27, 43,278.87 and 17,932.51

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Solution

The fourth proportional to 31,359.27, 43,278.87 and 17,932.51 is: 24,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.27 : 43,278.87 = 17,932.51 : x
  2. Step 2: Convert to fraction form
    31,359.27/43,278.87 = 17,932.51/x
  3. Step 3: Cross multiply
    31,359.27x = 43,278.87 × 17,932.51
  4. Step 4: Simplify right side
    31,359.27x = 776,098,769.06
  5. Step 5: Solve for x
    x = 776,098,769.06/31,359.27
  6. Step 6: Final answer
    x = 24,748.62

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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.