Home / 39,243.70-54,153.48-22,248.28

Finding the Fourth Proportional to 39,243.70, 54,153.48 and 22,248.28

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Solution

The fourth proportional to 39,243.70, 54,153.48 and 22,248.28 is: 30,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,243.70 : 54,153.48 = 22,248.28 : x
  2. Step 2: Convert to fraction form
    39,243.70/54,153.48 = 22,248.28/x
  3. Step 3: Cross multiply
    39,243.70x = 54,153.48 × 22,248.28
  4. Step 4: Simplify right side
    39,243.70x = 1,204,821,786.01
  5. Step 5: Solve for x
    x = 1,204,821,786.01/39,243.70
  6. Step 6: Final answer
    x = 30,701.02

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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.