Home / 50,179.42-75,269.16-12,742.30

Finding the Fourth Proportional to 50,179.42, 75,269.16 and 12,742.30

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Solution

The fourth proportional to 50,179.42, 75,269.16 and 12,742.30 is: 19,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,179.42 : 75,269.16 = 12,742.30 : x
  2. Step 2: Convert to fraction form
    50,179.42/75,269.16 = 12,742.30/x
  3. Step 3: Cross multiply
    50,179.42x = 75,269.16 × 12,742.30
  4. Step 4: Simplify right side
    50,179.42x = 959,102,029.30
  5. Step 5: Solve for x
    x = 959,102,029.30/50,179.42
  6. Step 6: Final answer
    x = 19,113.45

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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.