Home / 38,833.61-53,591.49-21,837.92

Finding the Fourth Proportional to 38,833.61, 53,591.49 and 21,837.92

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Solution

The fourth proportional to 38,833.61, 53,591.49 and 21,837.92 is: 30,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,833.61 : 53,591.49 = 21,837.92 : x
  2. Step 2: Convert to fraction form
    38,833.61/53,591.49 = 21,837.92/x
  3. Step 3: Cross multiply
    38,833.61x = 53,591.49 × 21,837.92
  4. Step 4: Simplify right side
    38,833.61x = 1,170,326,403.34
  5. Step 5: Solve for x
    x = 1,170,326,403.34/38,833.61
  6. Step 6: Final answer
    x = 30,136.95

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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.