Home / 50,872.63-70,207.82-28,213.79

Finding the Fourth Proportional to 50,872.63, 70,207.82 and 28,213.79

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Solution

The fourth proportional to 50,872.63, 70,207.82 and 28,213.79 is: 38,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.63 : 70,207.82 = 28,213.79 : x
  2. Step 2: Convert to fraction form
    50,872.63/70,207.82 = 28,213.79/x
  3. Step 3: Cross multiply
    50,872.63x = 70,207.82 × 28,213.79
  4. Step 4: Simplify right side
    50,872.63x = 1,980,828,689.84
  5. Step 5: Solve for x
    x = 1,980,828,689.84/50,872.63
  6. Step 6: Final answer
    x = 38,937.02

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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.