Home / 31,293.18-43,184.64-17,145.96

Finding the Fourth Proportional to 31,293.18, 43,184.64 and 17,145.96

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Solution

The fourth proportional to 31,293.18, 43,184.64 and 17,145.96 is: 23,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.18 : 43,184.64 = 17,145.96 : x
  2. Step 2: Convert to fraction form
    31,293.18/43,184.64 = 17,145.96/x
  3. Step 3: Cross multiply
    31,293.18x = 43,184.64 × 17,145.96
  4. Step 4: Simplify right side
    31,293.18x = 740,442,110.05
  5. Step 5: Solve for x
    x = 740,442,110.05/31,293.18
  6. Step 6: Final answer
    x = 23,661.45

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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.