Home / 51,942.42-71,680.82-30,444.84

Finding the Fourth Proportional to 51,942.42, 71,680.82 and 30,444.84

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Solution

The fourth proportional to 51,942.42, 71,680.82 and 30,444.84 is: 42,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,942.42 : 71,680.82 = 30,444.84 : x
  2. Step 2: Convert to fraction form
    51,942.42/71,680.82 = 30,444.84/x
  3. Step 3: Cross multiply
    51,942.42x = 71,680.82 × 30,444.84
  4. Step 4: Simplify right side
    51,942.42x = 2,182,310,943.74
  5. Step 5: Solve for x
    x = 2,182,310,943.74/51,942.42
  6. Step 6: Final answer
    x = 42,014.04

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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.