Home / 38,841.68-53,600.98-21,845.92

Finding the Fourth Proportional to 38,841.68, 53,600.98 and 21,845.92

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Solution

The fourth proportional to 38,841.68, 53,600.98 and 21,845.92 is: 30,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,841.68 : 53,600.98 = 21,845.92 : x
  2. Step 2: Convert to fraction form
    38,841.68/53,600.98 = 21,845.92/x
  3. Step 3: Cross multiply
    38,841.68x = 53,600.98 × 21,845.92
  4. Step 4: Simplify right side
    38,841.68x = 1,170,962,721.00
  5. Step 5: Solve for x
    x = 1,170,962,721.00/38,841.68
  6. Step 6: Final answer
    x = 30,147.07

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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.