Home / 51,403.88-77,217.10-43,522.45

Finding the Fourth Proportional to 51,403.88, 77,217.10 and 43,522.45

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Solution

The fourth proportional to 51,403.88, 77,217.10 and 43,522.45 is: 65,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,403.88 : 77,217.10 = 43,522.45 : x
  2. Step 2: Convert to fraction form
    51,403.88/77,217.10 = 43,522.45/x
  3. Step 3: Cross multiply
    51,403.88x = 77,217.10 × 43,522.45
  4. Step 4: Simplify right side
    51,403.88x = 3,360,677,072.05
  5. Step 5: Solve for x
    x = 3,360,677,072.05/51,403.88
  6. Step 6: Final answer
    x = 65,377.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.