Home / 39,174.41-54,061.08-21,269.57

Finding the Fourth Proportional to 39,174.41, 54,061.08 and 21,269.57

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Solution

The fourth proportional to 39,174.41, 54,061.08 and 21,269.57 is: 29,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.41 : 54,061.08 = 21,269.57 : x
  2. Step 2: Convert to fraction form
    39,174.41/54,061.08 = 21,269.57/x
  3. Step 3: Cross multiply
    39,174.41x = 54,061.08 × 21,269.57
  4. Step 4: Simplify right side
    39,174.41x = 1,149,855,548.68
  5. Step 5: Solve for x
    x = 1,149,855,548.68/39,174.41
  6. Step 6: Final answer
    x = 29,352.21

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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.