Home / 38,780.14-53,515.11-23,698.03

Finding the Fourth Proportional to 38,780.14, 53,515.11 and 23,698.03

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Solution

The fourth proportional to 38,780.14, 53,515.11 and 23,698.03 is: 32,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.14 : 53,515.11 = 23,698.03 : x
  2. Step 2: Convert to fraction form
    38,780.14/53,515.11 = 23,698.03/x
  3. Step 3: Cross multiply
    38,780.14x = 53,515.11 × 23,698.03
  4. Step 4: Simplify right side
    38,780.14x = 1,268,202,682.23
  5. Step 5: Solve for x
    x = 1,268,202,682.23/38,780.14
  6. Step 6: Final answer
    x = 32,702.38

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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.