Home / 31,753.36-43,818.60-19,175.92

Finding the Fourth Proportional to 31,753.36, 43,818.60 and 19,175.92

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Solution

The fourth proportional to 31,753.36, 43,818.60 and 19,175.92 is: 26,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,753.36 : 43,818.60 = 19,175.92 : x
  2. Step 2: Convert to fraction form
    31,753.36/43,818.60 = 19,175.92/x
  3. Step 3: Cross multiply
    31,753.36x = 43,818.60 × 19,175.92
  4. Step 4: Simplify right side
    31,753.36x = 840,261,968.11
  5. Step 5: Solve for x
    x = 840,261,968.11/31,753.36
  6. Step 6: Final answer
    x = 26,462.14

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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.