Home / 33,068.39-45,616.14-20,946.65

Finding the Fourth Proportional to 33,068.39, 45,616.14 and 20,946.65

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Solution

The fourth proportional to 33,068.39, 45,616.14 and 20,946.65 is: 28,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.39 : 45,616.14 = 20,946.65 : x
  2. Step 2: Convert to fraction form
    33,068.39/45,616.14 = 20,946.65/x
  3. Step 3: Cross multiply
    33,068.39x = 45,616.14 × 20,946.65
  4. Step 4: Simplify right side
    33,068.39x = 955,505,090.85
  5. Step 5: Solve for x
    x = 955,505,090.85/33,068.39
  6. Step 6: Final answer
    x = 28,894.82

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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.