Home / 50,872.19-70,207.22-28,213.35

Finding the Fourth Proportional to 50,872.19, 70,207.22 and 28,213.35

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Solution

The fourth proportional to 50,872.19, 70,207.22 and 28,213.35 is: 38,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.19 : 70,207.22 = 28,213.35 : x
  2. Step 2: Convert to fraction form
    50,872.19/70,207.22 = 28,213.35/x
  3. Step 3: Cross multiply
    50,872.19x = 70,207.22 × 28,213.35
  4. Step 4: Simplify right side
    50,872.19x = 1,980,780,729.32
  5. Step 5: Solve for x
    x = 1,980,780,729.32/50,872.19
  6. Step 6: Final answer
    x = 38,936.42

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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.