Home / 31,293.81-43,186.13-17,146.65

Finding the Fourth Proportional to 31,293.81, 43,186.13 and 17,146.65

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Solution

The fourth proportional to 31,293.81, 43,186.13 and 17,146.65 is: 23,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.81 : 43,186.13 = 17,146.65 : x
  2. Step 2: Convert to fraction form
    31,293.81/43,186.13 = 17,146.65/x
  3. Step 3: Cross multiply
    31,293.81x = 43,186.13 × 17,146.65
  4. Step 4: Simplify right side
    31,293.81x = 740,497,370.23
  5. Step 5: Solve for x
    x = 740,497,370.23/31,293.81
  6. Step 6: Final answer
    x = 23,662.74

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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.