Home / 33,342.87-45,991.49-21,387.27

Finding the Fourth Proportional to 33,342.87, 45,991.49 and 21,387.27

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Solution

The fourth proportional to 33,342.87, 45,991.49 and 21,387.27 is: 29,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,342.87 : 45,991.49 = 21,387.27 : x
  2. Step 2: Convert to fraction form
    33,342.87/45,991.49 = 21,387.27/x
  3. Step 3: Cross multiply
    33,342.87x = 45,991.49 × 21,387.27
  4. Step 4: Simplify right side
    33,342.87x = 983,632,307.40
  5. Step 5: Solve for x
    x = 983,632,307.40/33,342.87
  6. Step 6: Final answer
    x = 29,500.53

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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.