Home / 40,815.87-61,092.57-21,067.53

Finding the Fourth Proportional to 40,815.87, 61,092.57 and 21,067.53

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Solution

The fourth proportional to 40,815.87, 61,092.57 and 21,067.53 is: 31,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.87 : 61,092.57 = 21,067.53 : x
  2. Step 2: Convert to fraction form
    40,815.87/61,092.57 = 21,067.53/x
  3. Step 3: Cross multiply
    40,815.87x = 61,092.57 × 21,067.53
  4. Step 4: Simplify right side
    40,815.87x = 1,287,069,551.25
  5. Step 5: Solve for x
    x = 1,287,069,551.25/40,815.87
  6. Step 6: Final answer
    x = 31,533.56

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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.