Home / 52,134.72-71,945.87-28,261.19

Finding the Fourth Proportional to 52,134.72, 71,945.87 and 28,261.19

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Solution

The fourth proportional to 52,134.72, 71,945.87 and 28,261.19 is: 39,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.72 : 71,945.87 = 28,261.19 : x
  2. Step 2: Convert to fraction form
    52,134.72/71,945.87 = 28,261.19/x
  3. Step 3: Cross multiply
    52,134.72x = 71,945.87 × 28,261.19
  4. Step 4: Simplify right side
    52,134.72x = 2,033,275,400.75
  5. Step 5: Solve for x
    x = 2,033,275,400.75/52,134.72
  6. Step 6: Final answer
    x = 39,000.41

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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.