Home / 39,182.74-54,072.57-21,277.90

Finding the Fourth Proportional to 39,182.74, 54,072.57 and 21,277.90

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Solution

The fourth proportional to 39,182.74, 54,072.57 and 21,277.90 is: 29,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.74 : 54,072.57 = 21,277.90 : x
  2. Step 2: Convert to fraction form
    39,182.74/54,072.57 = 21,277.90/x
  3. Step 3: Cross multiply
    39,182.74x = 54,072.57 × 21,277.90
  4. Step 4: Simplify right side
    39,182.74x = 1,150,550,737.20
  5. Step 5: Solve for x
    x = 1,150,550,737.20/39,182.74
  6. Step 6: Final answer
    x = 29,363.71

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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.