Home / 31,488.30-43,452.81-17,341.11

Finding the Fourth Proportional to 31,488.30, 43,452.81 and 17,341.11

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Solution

The fourth proportional to 31,488.30, 43,452.81 and 17,341.11 is: 23,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.30 : 43,452.81 = 17,341.11 : x
  2. Step 2: Convert to fraction form
    31,488.30/43,452.81 = 17,341.11/x
  3. Step 3: Cross multiply
    31,488.30x = 43,452.81 × 17,341.11
  4. Step 4: Simplify right side
    31,488.30x = 753,519,958.02
  5. Step 5: Solve for x
    x = 753,519,958.02/31,488.30
  6. Step 6: Final answer
    x = 23,930.16

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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.