Home / 31,264.96-43,143.92-17,115.06

Finding the Fourth Proportional to 31,264.96, 43,143.92 and 17,115.06

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Solution

The fourth proportional to 31,264.96, 43,143.92 and 17,115.06 is: 23,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.96 : 43,143.92 = 17,115.06 : x
  2. Step 2: Convert to fraction form
    31,264.96/43,143.92 = 17,115.06/x
  3. Step 3: Cross multiply
    31,264.96x = 43,143.92 × 17,115.06
  4. Step 4: Simplify right side
    31,264.96x = 738,410,779.44
  5. Step 5: Solve for x
    x = 738,410,779.44/31,264.96
  6. Step 6: Final answer
    x = 23,617.84

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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.