Home / 39,174.86-54,060.27-21,269.54

Finding the Fourth Proportional to 39,174.86, 54,060.27 and 21,269.54

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Solution

The fourth proportional to 39,174.86, 54,060.27 and 21,269.54 is: 29,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.86 : 54,060.27 = 21,269.54 : x
  2. Step 2: Convert to fraction form
    39,174.86/54,060.27 = 21,269.54/x
  3. Step 3: Cross multiply
    39,174.86x = 54,060.27 × 21,269.54
  4. Step 4: Simplify right side
    39,174.86x = 1,149,837,075.18
  5. Step 5: Solve for x
    x = 1,149,837,075.18/39,174.86
  6. Step 6: Final answer
    x = 29,351.40

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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.