Home / 50,872.84-70,204.38-28,211.24

Finding the Fourth Proportional to 50,872.84, 70,204.38 and 28,211.24

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Solution

The fourth proportional to 50,872.84, 70,204.38 and 28,211.24 is: 38,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.84 : 70,204.38 = 28,211.24 : x
  2. Step 2: Convert to fraction form
    50,872.84/70,204.38 = 28,211.24/x
  3. Step 3: Cross multiply
    50,872.84x = 70,204.38 × 28,211.24
  4. Step 4: Simplify right side
    50,872.84x = 1,980,552,613.23
  5. Step 5: Solve for x
    x = 1,980,552,613.23/50,872.84
  6. Step 6: Final answer
    x = 38,931.43

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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.