Home / 38,086.61-52,509.87-29,119.91

Finding the Fourth Proportional to 38,086.61, 52,509.87 and 29,119.91

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Solution

The fourth proportional to 38,086.61, 52,509.87 and 29,119.91 is: 40,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.61 : 52,509.87 = 29,119.91 : x
  2. Step 2: Convert to fraction form
    38,086.61/52,509.87 = 29,119.91/x
  3. Step 3: Cross multiply
    38,086.61x = 52,509.87 × 29,119.91
  4. Step 4: Simplify right side
    38,086.61x = 1,529,082,425.96
  5. Step 5: Solve for x
    x = 1,529,082,425.96/38,086.61
  6. Step 6: Final answer
    x = 40,147.51

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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.