Home / 51,632.10-71,148.78-38,203.92

Finding the Fourth Proportional to 51,632.10, 71,148.78 and 38,203.92

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Solution

The fourth proportional to 51,632.10, 71,148.78 and 38,203.92 is: 52,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,632.10 : 71,148.78 = 38,203.92 : x
  2. Step 2: Convert to fraction form
    51,632.10/71,148.78 = 38,203.92/x
  3. Step 3: Cross multiply
    51,632.10x = 71,148.78 × 38,203.92
  4. Step 4: Simplify right side
    51,632.10x = 2,718,162,299.22
  5. Step 5: Solve for x
    x = 2,718,162,299.22/51,632.10
  6. Step 6: Final answer
    x = 52,644.81

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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.