Home / 31,015.59-42,761.57-22,530.03

Finding the Fourth Proportional to 31,015.59, 42,761.57 and 22,530.03

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Solution

The fourth proportional to 31,015.59, 42,761.57 and 22,530.03 is: 31,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.59 : 42,761.57 = 22,530.03 : x
  2. Step 2: Convert to fraction form
    31,015.59/42,761.57 = 22,530.03/x
  3. Step 3: Cross multiply
    31,015.59x = 42,761.57 × 22,530.03
  4. Step 4: Simplify right side
    31,015.59x = 963,419,342.30
  5. Step 5: Solve for x
    x = 963,419,342.30/31,015.59
  6. Step 6: Final answer
    x = 31,062.42

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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.