Home / 47,239.87-65,186.19-29,087.71

Finding the Fourth Proportional to 47,239.87, 65,186.19 and 29,087.71

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Solution

The fourth proportional to 47,239.87, 65,186.19 and 29,087.71 is: 40,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,239.87 : 65,186.19 = 29,087.71 : x
  2. Step 2: Convert to fraction form
    47,239.87/65,186.19 = 29,087.71/x
  3. Step 3: Cross multiply
    47,239.87x = 65,186.19 × 29,087.71
  4. Step 4: Simplify right side
    47,239.87x = 1,896,116,990.72
  5. Step 5: Solve for x
    x = 1,896,116,990.72/47,239.87
  6. Step 6: Final answer
    x = 40,138.07

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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.