Home / 52,713.11-72,745.83-28,839.24

Finding the Fourth Proportional to 52,713.11, 72,745.83 and 28,839.24

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Solution

The fourth proportional to 52,713.11, 72,745.83 and 28,839.24 is: 39,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,713.11 : 72,745.83 = 28,839.24 : x
  2. Step 2: Convert to fraction form
    52,713.11/72,745.83 = 28,839.24/x
  3. Step 3: Cross multiply
    52,713.11x = 72,745.83 × 28,839.24
  4. Step 4: Simplify right side
    52,713.11x = 2,097,934,450.37
  5. Step 5: Solve for x
    x = 2,097,934,450.37/52,713.11
  6. Step 6: Final answer
    x = 39,799.10

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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.