Home / 47,343.21-65,306.08-30,341.42

Finding the Fourth Proportional to 47,343.21, 65,306.08 and 30,341.42

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Solution

The fourth proportional to 47,343.21, 65,306.08 and 30,341.42 is: 41,853.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,343.21 : 65,306.08 = 30,341.42 : x
  2. Step 2: Convert to fraction form
    47,343.21/65,306.08 = 30,341.42/x
  3. Step 3: Cross multiply
    47,343.21x = 65,306.08 × 30,341.42
  4. Step 4: Simplify right side
    47,343.21x = 1,981,479,201.83
  5. Step 5: Solve for x
    x = 1,981,479,201.83/47,343.21
  6. Step 6: Final answer
    x = 41,853.50

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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.