Home / 31,206.29-43,052.58-19,873.76

Finding the Fourth Proportional to 31,206.29, 43,052.58 and 19,873.76

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Solution

The fourth proportional to 31,206.29, 43,052.58 and 19,873.76 is: 27,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.29 : 43,052.58 = 19,873.76 : x
  2. Step 2: Convert to fraction form
    31,206.29/43,052.58 = 19,873.76/x
  3. Step 3: Cross multiply
    31,206.29x = 43,052.58 × 19,873.76
  4. Step 4: Simplify right side
    31,206.29x = 855,616,343.20
  5. Step 5: Solve for x
    x = 855,616,343.20/31,206.29
  6. Step 6: Final answer
    x = 27,418.08

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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.