Home / 39,697.43-54,780.40-23,565.41

Finding the Fourth Proportional to 39,697.43, 54,780.40 and 23,565.41

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Solution

The fourth proportional to 39,697.43, 54,780.40 and 23,565.41 is: 32,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,697.43 : 54,780.40 = 23,565.41 : x
  2. Step 2: Convert to fraction form
    39,697.43/54,780.40 = 23,565.41/x
  3. Step 3: Cross multiply
    39,697.43x = 54,780.40 × 23,565.41
  4. Step 4: Simplify right side
    39,697.43x = 1,290,922,664.00
  5. Step 5: Solve for x
    x = 1,290,922,664.00/39,697.43
  6. Step 6: Final answer
    x = 32,519.05

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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.