Home / 50,070.57-75,103.89-12,630.15

Finding the Fourth Proportional to 50,070.57, 75,103.89 and 12,630.15

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Solution

The fourth proportional to 50,070.57, 75,103.89 and 12,630.15 is: 18,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,070.57 : 75,103.89 = 12,630.15 : x
  2. Step 2: Convert to fraction form
    50,070.57/75,103.89 = 12,630.15/x
  3. Step 3: Cross multiply
    50,070.57x = 75,103.89 × 12,630.15
  4. Step 4: Simplify right side
    50,070.57x = 948,573,396.28
  5. Step 5: Solve for x
    x = 948,573,396.28/50,070.57
  6. Step 6: Final answer
    x = 18,944.73

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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.