Home / 39,174.17-54,060.84-21,269.48

Finding the Fourth Proportional to 39,174.17, 54,060.84 and 21,269.48

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Solution

The fourth proportional to 39,174.17, 54,060.84 and 21,269.48 is: 29,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.17 : 54,060.84 = 21,269.48 : x
  2. Step 2: Convert to fraction form
    39,174.17/54,060.84 = 21,269.48/x
  3. Step 3: Cross multiply
    39,174.17x = 54,060.84 × 21,269.48
  4. Step 4: Simplify right side
    39,174.17x = 1,149,845,684.86
  5. Step 5: Solve for x
    x = 1,149,845,684.86/39,174.17
  6. Step 6: Final answer
    x = 29,352.14

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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.