Home / 31,166.88-43,011.18-17,020.64

Finding the Fourth Proportional to 31,166.88, 43,011.18 and 17,020.64

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Solution

The fourth proportional to 31,166.88, 43,011.18 and 17,020.64 is: 23,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166.88 : 43,011.18 = 17,020.64 : x
  2. Step 2: Convert to fraction form
    31,166.88/43,011.18 = 17,020.64/x
  3. Step 3: Cross multiply
    31,166.88x = 43,011.18 × 17,020.64
  4. Step 4: Simplify right side
    31,166.88x = 732,077,810.76
  5. Step 5: Solve for x
    x = 732,077,810.76/31,166.88
  6. Step 6: Final answer
    x = 23,488.97

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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.