Home / 39,247.70-54,159-22,252.28

Finding the Fourth Proportional to 39,247.70, 54,159 and 22,252.28

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Solution

The fourth proportional to 39,247.70, 54,159 and 22,252.28 is: 30,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.70 : 54,159 = 22,252.28 : x
  2. Step 2: Convert to fraction form
    39,247.70/54,159 = 22,252.28/x
  3. Step 3: Cross multiply
    39,247.70x = 54,159 × 22,252.28
  4. Step 4: Simplify right side
    39,247.70x = 1,205,161,232.52
  5. Step 5: Solve for x
    x = 1,205,161,232.52/39,247.70
  6. Step 6: Final answer
    x = 30,706.54

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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.