Home / 38,855.12-53,620.28-22,947.42

Finding the Fourth Proportional to 38,855.12, 53,620.28 and 22,947.42

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Solution

The fourth proportional to 38,855.12, 53,620.28 and 22,947.42 is: 31,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.12 : 53,620.28 = 22,947.42 : x
  2. Step 2: Convert to fraction form
    38,855.12/53,620.28 = 22,947.42/x
  3. Step 3: Cross multiply
    38,855.12x = 53,620.28 × 22,947.42
  4. Step 4: Simplify right side
    38,855.12x = 1,230,447,085.68
  5. Step 5: Solve for x
    x = 1,230,447,085.68/38,855.12
  6. Step 6: Final answer
    x = 31,667.57

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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.