Home / 52,135.92-71,937.72-30,907.44

Finding the Fourth Proportional to 52,135.92, 71,937.72 and 30,907.44

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Solution

The fourth proportional to 52,135.92, 71,937.72 and 30,907.44 is: 42,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,135.92 : 71,937.72 = 30,907.44 : x
  2. Step 2: Convert to fraction form
    52,135.92/71,937.72 = 30,907.44/x
  3. Step 3: Cross multiply
    52,135.92x = 71,937.72 × 30,907.44
  4. Step 4: Simplify right side
    52,135.92x = 2,223,410,764.64
  5. Step 5: Solve for x
    x = 2,223,410,764.64/52,135.92
  6. Step 6: Final answer
    x = 42,646.43

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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.