Home / 38,877.52-53,653.68-21,883.39

Finding the Fourth Proportional to 38,877.52, 53,653.68 and 21,883.39

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Solution

The fourth proportional to 38,877.52, 53,653.68 and 21,883.39 is: 30,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,877.52 : 53,653.68 = 21,883.39 : x
  2. Step 2: Convert to fraction form
    38,877.52/53,653.68 = 21,883.39/x
  3. Step 3: Cross multiply
    38,877.52x = 53,653.68 × 21,883.39
  4. Step 4: Simplify right side
    38,877.52x = 1,174,124,404.38
  5. Step 5: Solve for x
    x = 1,174,124,404.38/38,877.52
  6. Step 6: Final answer
    x = 30,200.60

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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.