Home / 31,577.46-43,575.21-18,146.58

Finding the Fourth Proportional to 31,577.46, 43,575.21 and 18,146.58

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Solution

The fourth proportional to 31,577.46, 43,575.21 and 18,146.58 is: 25,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.46 : 43,575.21 = 18,146.58 : x
  2. Step 2: Convert to fraction form
    31,577.46/43,575.21 = 18,146.58/x
  3. Step 3: Cross multiply
    31,577.46x = 43,575.21 × 18,146.58
  4. Step 4: Simplify right side
    31,577.46x = 790,741,034.28
  5. Step 5: Solve for x
    x = 790,741,034.28/31,577.46
  6. Step 6: Final answer
    x = 25,041.31

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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.