Home / 50,331.60-75,497.12-12,891.60

Finding the Fourth Proportional to 50,331.60, 75,497.12 and 12,891.60

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Solution

The fourth proportional to 50,331.60, 75,497.12 and 12,891.60 is: 19,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,331.60 : 75,497.12 = 12,891.60 : x
  2. Step 2: Convert to fraction form
    50,331.60/75,497.12 = 12,891.60/x
  3. Step 3: Cross multiply
    50,331.60x = 75,497.12 × 12,891.60
  4. Step 4: Simplify right side
    50,331.60x = 973,278,672.19
  5. Step 5: Solve for x
    x = 973,278,672.19/50,331.60
  6. Step 6: Final answer
    x = 19,337.33

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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.