Home / 31,253.16-43,084.44-22,285.11

Finding the Fourth Proportional to 31,253.16, 43,084.44 and 22,285.11

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Solution

The fourth proportional to 31,253.16, 43,084.44 and 22,285.11 is: 30,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.16 : 43,084.44 = 22,285.11 : x
  2. Step 2: Convert to fraction form
    31,253.16/43,084.44 = 22,285.11/x
  3. Step 3: Cross multiply
    31,253.16x = 43,084.44 × 22,285.11
  4. Step 4: Simplify right side
    31,253.16x = 960,141,484.69
  5. Step 5: Solve for x
    x = 960,141,484.69/31,253.16
  6. Step 6: Final answer
    x = 30,721.42

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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.