Home / 31,374.54-43,304.76-21,167.19

Finding the Fourth Proportional to 31,374.54, 43,304.76 and 21,167.19

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Solution

The fourth proportional to 31,374.54, 43,304.76 and 21,167.19 is: 29,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.54 : 43,304.76 = 21,167.19 : x
  2. Step 2: Convert to fraction form
    31,374.54/43,304.76 = 21,167.19/x
  3. Step 3: Cross multiply
    31,374.54x = 43,304.76 × 21,167.19
  4. Step 4: Simplify right side
    31,374.54x = 916,640,082.82
  5. Step 5: Solve for x
    x = 916,640,082.82/31,374.54
  6. Step 6: Final answer
    x = 29,216.05

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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.