Home / 31,974.78-44,113.62-18,538.63

Finding the Fourth Proportional to 31,974.78, 44,113.62 and 18,538.63

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Solution

The fourth proportional to 31,974.78, 44,113.62 and 18,538.63 is: 25,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.78 : 44,113.62 = 18,538.63 : x
  2. Step 2: Convert to fraction form
    31,974.78/44,113.62 = 18,538.63/x
  3. Step 3: Cross multiply
    31,974.78x = 44,113.62 × 18,538.63
  4. Step 4: Simplify right side
    31,974.78x = 817,806,079.14
  5. Step 5: Solve for x
    x = 817,806,079.14/31,974.78
  6. Step 6: Final answer
    x = 25,576.60

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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.