Home / 33,225.04-45,850.60-21,288.40

Finding the Fourth Proportional to 33,225.04, 45,850.60 and 21,288.40

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Solution

The fourth proportional to 33,225.04, 45,850.60 and 21,288.40 is: 29,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,225.04 : 45,850.60 = 21,288.40 : x
  2. Step 2: Convert to fraction form
    33,225.04/45,850.60 = 21,288.40/x
  3. Step 3: Cross multiply
    33,225.04x = 45,850.60 × 21,288.40
  4. Step 4: Simplify right side
    33,225.04x = 976,085,913.04
  5. Step 5: Solve for x
    x = 976,085,913.04/33,225.04
  6. Step 6: Final answer
    x = 29,378.02

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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.