Home / 33,216.57-45,812.94-21,281.02

Finding the Fourth Proportional to 33,216.57, 45,812.94 and 21,281.02

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Solution

The fourth proportional to 33,216.57, 45,812.94 and 21,281.02 is: 29,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.57 : 45,812.94 = 21,281.02 : x
  2. Step 2: Convert to fraction form
    33,216.57/45,812.94 = 21,281.02/x
  3. Step 3: Cross multiply
    33,216.57x = 45,812.94 × 21,281.02
  4. Step 4: Simplify right side
    33,216.57x = 974,946,092.40
  5. Step 5: Solve for x
    x = 974,946,092.40/33,216.57
  6. Step 6: Final answer
    x = 29,351.20

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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.