Home / 31,695.78-43,743.11-17,548.63

Finding the Fourth Proportional to 31,695.78, 43,743.11 and 17,548.63

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Solution

The fourth proportional to 31,695.78, 43,743.11 and 17,548.63 is: 24,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.78 : 43,743.11 = 17,548.63 : x
  2. Step 2: Convert to fraction form
    31,695.78/43,743.11 = 17,548.63/x
  3. Step 3: Cross multiply
    31,695.78x = 43,743.11 × 17,548.63
  4. Step 4: Simplify right side
    31,695.78x = 767,631,586.95
  5. Step 5: Solve for x
    x = 767,631,586.95/31,695.78
  6. Step 6: Final answer
    x = 24,218.73

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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.