Home / 38,788.08-53,513.52-22,011.36

Finding the Fourth Proportional to 38,788.08, 53,513.52 and 22,011.36

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Solution

The fourth proportional to 38,788.08, 53,513.52 and 22,011.36 is: 30,367.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.08 : 53,513.52 = 22,011.36 : x
  2. Step 2: Convert to fraction form
    38,788.08/53,513.52 = 22,011.36/x
  3. Step 3: Cross multiply
    38,788.08x = 53,513.52 × 22,011.36
  4. Step 4: Simplify right side
    38,788.08x = 1,177,905,353.59
  5. Step 5: Solve for x
    x = 1,177,905,353.59/38,788.08
  6. Step 6: Final answer
    x = 30,367.71

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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.