Home / 45,982.84-68,838.18-28,396.12

Finding the Fourth Proportional to 45,982.84, 68,838.18 and 28,396.12

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Solution

The fourth proportional to 45,982.84, 68,838.18 and 28,396.12 is: 42,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,982.84 : 68,838.18 = 28,396.12 : x
  2. Step 2: Convert to fraction form
    45,982.84/68,838.18 = 28,396.12/x
  3. Step 3: Cross multiply
    45,982.84x = 68,838.18 × 28,396.12
  4. Step 4: Simplify right side
    45,982.84x = 1,954,737,219.86
  5. Step 5: Solve for x
    x = 1,954,737,219.86/45,982.84
  6. Step 6: Final answer
    x = 42,510.15

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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.