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Finding the Fourth Proportional to 50,306.66, 75,459.71 and 12,866.67

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Solution

The fourth proportional to 50,306.66, 75,459.71 and 12,866.67 is: 19,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,306.66 : 75,459.71 = 12,866.67 : x
  2. Step 2: Convert to fraction form
    50,306.66/75,459.71 = 12,866.67/x
  3. Step 3: Cross multiply
    50,306.66x = 75,459.71 × 12,866.67
  4. Step 4: Simplify right side
    50,306.66x = 970,915,122.53
  5. Step 5: Solve for x
    x = 970,915,122.53/50,306.66
  6. Step 6: Final answer
    x = 19,299.93

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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.