Home / 52,231.61-78,318-16,684.58

Finding the Fourth Proportional to 52,231.61, 78,318 and 16,684.58

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Solution

The fourth proportional to 52,231.61, 78,318 and 16,684.58 is: 25,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.61 : 78,318 = 16,684.58 : x
  2. Step 2: Convert to fraction form
    52,231.61/78,318 = 16,684.58/x
  3. Step 3: Cross multiply
    52,231.61x = 78,318 × 16,684.58
  4. Step 4: Simplify right side
    52,231.61x = 1,306,703,132.24
  5. Step 5: Solve for x
    x = 1,306,703,132.24/52,231.61
  6. Step 6: Final answer
    x = 25,017.48

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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.