Home / 52,755.05-72,782.09-34,615.78

Finding the Fourth Proportional to 52,755.05, 72,782.09 and 34,615.78

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Solution

The fourth proportional to 52,755.05, 72,782.09 and 34,615.78 is: 47,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.05 : 72,782.09 = 34,615.78 : x
  2. Step 2: Convert to fraction form
    52,755.05/72,782.09 = 34,615.78/x
  3. Step 3: Cross multiply
    52,755.05x = 72,782.09 × 34,615.78
  4. Step 4: Simplify right side
    52,755.05x = 2,519,408,815.38
  5. Step 5: Solve for x
    x = 2,519,408,815.38/52,755.05
  6. Step 6: Final answer
    x = 47,756.73

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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.