Home / 31,267.56-43,163.40-19,952.28

Finding the Fourth Proportional to 31,267.56, 43,163.40 and 19,952.28

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Solution

The fourth proportional to 31,267.56, 43,163.40 and 19,952.28 is: 27,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.56 : 43,163.40 = 19,952.28 : x
  2. Step 2: Convert to fraction form
    31,267.56/43,163.40 = 19,952.28/x
  3. Step 3: Cross multiply
    31,267.56x = 43,163.40 × 19,952.28
  4. Step 4: Simplify right side
    31,267.56x = 861,208,242.55
  5. Step 5: Solve for x
    x = 861,208,242.55/31,267.56
  6. Step 6: Final answer
    x = 27,543.19

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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.