Home / 31,577.38-43,576.78-17,430.23

Finding the Fourth Proportional to 31,577.38, 43,576.78 and 17,430.23

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Solution

The fourth proportional to 31,577.38, 43,576.78 and 17,430.23 is: 24,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.38 : 43,576.78 = 17,430.23 : x
  2. Step 2: Convert to fraction form
    31,577.38/43,576.78 = 17,430.23/x
  3. Step 3: Cross multiply
    31,577.38x = 43,576.78 × 17,430.23
  4. Step 4: Simplify right side
    31,577.38x = 759,553,080.18
  5. Step 5: Solve for x
    x = 759,553,080.18/31,577.38
  6. Step 6: Final answer
    x = 24,053.71

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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.