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Finding the Fourth Proportional to 50,328.96, 75,432.96 and 35,515.68

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Solution

The fourth proportional to 50,328.96, 75,432.96 and 35,515.68 is: 53,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,328.96 : 75,432.96 = 35,515.68 : x
  2. Step 2: Convert to fraction form
    50,328.96/75,432.96 = 35,515.68/x
  3. Step 3: Cross multiply
    50,328.96x = 75,432.96 × 35,515.68
  4. Step 4: Simplify right side
    50,328.96x = 2,679,052,868.81
  5. Step 5: Solve for x
    x = 2,679,052,868.81/50,328.96
  6. Step 6: Final answer
    x = 53,230.84

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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.