Home / 38,780.12-53,515.19-23,698.02

Finding the Fourth Proportional to 38,780.12, 53,515.19 and 23,698.02

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Solution

The fourth proportional to 38,780.12, 53,515.19 and 23,698.02 is: 32,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.12 : 53,515.19 = 23,698.02 : x
  2. Step 2: Convert to fraction form
    38,780.12/53,515.19 = 23,698.02/x
  3. Step 3: Cross multiply
    38,780.12x = 53,515.19 × 23,698.02
  4. Step 4: Simplify right side
    38,780.12x = 1,268,204,042.92
  5. Step 5: Solve for x
    x = 1,268,204,042.92/38,780.12
  6. Step 6: Final answer
    x = 32,702.43

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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.