Home / 51,771.42-71,397.18-38,376.05

Finding the Fourth Proportional to 51,771.42, 71,397.18 and 38,376.05

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Solution

The fourth proportional to 51,771.42, 71,397.18 and 38,376.05 is: 52,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.42 : 71,397.18 = 38,376.05 : x
  2. Step 2: Convert to fraction form
    51,771.42/71,397.18 = 38,376.05/x
  3. Step 3: Cross multiply
    51,771.42x = 71,397.18 × 38,376.05
  4. Step 4: Simplify right side
    51,771.42x = 2,739,941,392.55
  5. Step 5: Solve for x
    x = 2,739,941,392.55/51,771.42
  6. Step 6: Final answer
    x = 52,923.82

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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.