Home / 45,493.67-68,138.91-34,885.55

Finding the Fourth Proportional to 45,493.67, 68,138.91 and 34,885.55

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Solution

The fourth proportional to 45,493.67, 68,138.91 and 34,885.55 is: 52,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.67 : 68,138.91 = 34,885.55 : x
  2. Step 2: Convert to fraction form
    45,493.67/68,138.91 = 34,885.55/x
  3. Step 3: Cross multiply
    45,493.67x = 68,138.91 × 34,885.55
  4. Step 4: Simplify right side
    45,493.67x = 2,377,063,011.06
  5. Step 5: Solve for x
    x = 2,377,063,011.06/45,493.67
  6. Step 6: Final answer
    x = 52,250.42

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1.5x scale

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.