Home / 33,088.68-45,644.04-20,966.90

Finding the Fourth Proportional to 33,088.68, 45,644.04 and 20,966.90

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Solution

The fourth proportional to 33,088.68, 45,644.04 and 20,966.90 is: 28,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.68 : 45,644.04 = 20,966.90 : x
  2. Step 2: Convert to fraction form
    33,088.68/45,644.04 = 20,966.90/x
  3. Step 3: Cross multiply
    33,088.68x = 45,644.04 × 20,966.90
  4. Step 4: Simplify right side
    33,088.68x = 957,013,794.06
  5. Step 5: Solve for x
    x = 957,013,794.06/33,088.68
  6. Step 6: Final answer
    x = 28,922.69

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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.