Home / 38,781.64-53,523.66-23,671.12

Finding the Fourth Proportional to 38,781.64, 53,523.66 and 23,671.12

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Solution

The fourth proportional to 38,781.64, 53,523.66 and 23,671.12 is: 32,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.64 : 53,523.66 = 23,671.12 : x
  2. Step 2: Convert to fraction form
    38,781.64/53,523.66 = 23,671.12/x
  3. Step 3: Cross multiply
    38,781.64x = 53,523.66 × 23,671.12
  4. Step 4: Simplify right side
    38,781.64x = 1,266,964,978.70
  5. Step 5: Solve for x
    x = 1,266,964,978.70/38,781.64
  6. Step 6: Final answer
    x = 32,669.20

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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.