Home / 38,789.84-53,530.04-22,022.84

Finding the Fourth Proportional to 38,789.84, 53,530.04 and 22,022.84

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Solution

The fourth proportional to 38,789.84, 53,530.04 and 22,022.84 is: 30,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.84 : 53,530.04 = 22,022.84 : x
  2. Step 2: Convert to fraction form
    38,789.84/53,530.04 = 22,022.84/x
  3. Step 3: Cross multiply
    38,789.84x = 53,530.04 × 22,022.84
  4. Step 4: Simplify right side
    38,789.84x = 1,178,883,506.11
  5. Step 5: Solve for x
    x = 1,178,883,506.11/38,789.84
  6. Step 6: Final answer
    x = 30,391.55

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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.