Home / 31,293.95-43,186.72-17,146.79

Finding the Fourth Proportional to 31,293.95, 43,186.72 and 17,146.79

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Solution

The fourth proportional to 31,293.95, 43,186.72 and 17,146.79 is: 23,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.95 : 43,186.72 = 17,146.79 : x
  2. Step 2: Convert to fraction form
    31,293.95/43,186.72 = 17,146.79/x
  3. Step 3: Cross multiply
    31,293.95x = 43,186.72 × 17,146.79
  4. Step 4: Simplify right side
    31,293.95x = 740,513,553.93
  5. Step 5: Solve for x
    x = 740,513,553.93/31,293.95
  6. Step 6: Final answer
    x = 23,663.16

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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.