Home / 45,052.78-67,411.77-28,334.74

Finding the Fourth Proportional to 45,052.78, 67,411.77 and 28,334.74

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Solution

The fourth proportional to 45,052.78, 67,411.77 and 28,334.74 is: 42,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,052.78 : 67,411.77 = 28,334.74 : x
  2. Step 2: Convert to fraction form
    45,052.78/67,411.77 = 28,334.74/x
  3. Step 3: Cross multiply
    45,052.78x = 67,411.77 × 28,334.74
  4. Step 4: Simplify right side
    45,052.78x = 1,910,094,975.89
  5. Step 5: Solve for x
    x = 1,910,094,975.89/45,052.78
  6. Step 6: Final answer
    x = 42,396.83

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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.