Home / 50,872.12-70,204.38-28,212.08

Finding the Fourth Proportional to 50,872.12, 70,204.38 and 28,212.08

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Solution

The fourth proportional to 50,872.12, 70,204.38 and 28,212.08 is: 38,933.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.12 : 70,204.38 = 28,212.08 : x
  2. Step 2: Convert to fraction form
    50,872.12/70,204.38 = 28,212.08/x
  3. Step 3: Cross multiply
    50,872.12x = 70,204.38 × 28,212.08
  4. Step 4: Simplify right side
    50,872.12x = 1,980,611,584.91
  5. Step 5: Solve for x
    x = 1,980,611,584.91/50,872.12
  6. Step 6: Final answer
    x = 38,933.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.