Home / 31,253.70-43,085.16-22,285.62

Finding the Fourth Proportional to 31,253.70, 43,085.16 and 22,285.62

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Solution

The fourth proportional to 31,253.70, 43,085.16 and 22,285.62 is: 30,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.70 : 43,085.16 = 22,285.62 : x
  2. Step 2: Convert to fraction form
    31,253.70/43,085.16 = 22,285.62/x
  3. Step 3: Cross multiply
    31,253.70x = 43,085.16 × 22,285.62
  4. Step 4: Simplify right side
    31,253.70x = 960,179,503.40
  5. Step 5: Solve for x
    x = 960,179,503.40/31,253.70
  6. Step 6: Final answer
    x = 30,722.11

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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.