Home / 48,217.75-72,343.94-21,561.46

Finding the Fourth Proportional to 48,217.75, 72,343.94 and 21,561.46

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Solution

The fourth proportional to 48,217.75, 72,343.94 and 21,561.46 is: 32,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,217.75 : 72,343.94 = 21,561.46 : x
  2. Step 2: Convert to fraction form
    48,217.75/72,343.94 = 21,561.46/x
  3. Step 3: Cross multiply
    48,217.75x = 72,343.94 × 21,561.46
  4. Step 4: Simplify right side
    48,217.75x = 1,559,840,679.89
  5. Step 5: Solve for x
    x = 1,559,840,679.89/48,217.75
  6. Step 6: Final answer
    x = 32,349.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.