Home / 32,979.96-49,480.88-21,930.14

Finding the Fourth Proportional to 32,979.96, 49,480.88 and 21,930.14

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Solution

The fourth proportional to 32,979.96, 49,480.88 and 21,930.14 is: 32,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.96 : 49,480.88 = 21,930.14 : x
  2. Step 2: Convert to fraction form
    32,979.96/49,480.88 = 21,930.14/x
  3. Step 3: Cross multiply
    32,979.96x = 49,480.88 × 21,930.14
  4. Step 4: Simplify right side
    32,979.96x = 1,085,122,639.77
  5. Step 5: Solve for x
    x = 1,085,122,639.77/32,979.96
  6. Step 6: Final answer
    x = 32,902.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.