Home / 38,511.91-53,146.49-23,400.55

Finding the Fourth Proportional to 38,511.91, 53,146.49 and 23,400.55

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Solution

The fourth proportional to 38,511.91, 53,146.49 and 23,400.55 is: 32,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.91 : 53,146.49 = 23,400.55 : x
  2. Step 2: Convert to fraction form
    38,511.91/53,146.49 = 23,400.55/x
  3. Step 3: Cross multiply
    38,511.91x = 53,146.49 × 23,400.55
  4. Step 4: Simplify right side
    38,511.91x = 1,243,656,846.70
  5. Step 5: Solve for x
    x = 1,243,656,846.70/38,511.91
  6. Step 6: Final answer
    x = 32,292.79

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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.