Home / 31,554.24-43,543.22-19,617.38

Finding the Fourth Proportional to 31,554.24, 43,543.22 and 19,617.38

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Solution

The fourth proportional to 31,554.24, 43,543.22 and 19,617.38 is: 27,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.24 : 43,543.22 = 19,617.38 : x
  2. Step 2: Convert to fraction form
    31,554.24/43,543.22 = 19,617.38/x
  3. Step 3: Cross multiply
    31,554.24x = 43,543.22 × 19,617.38
  4. Step 4: Simplify right side
    31,554.24x = 854,203,577.36
  5. Step 5: Solve for x
    x = 854,203,577.36/31,554.24
  6. Step 6: Final answer
    x = 27,070.96

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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.