Home / 38,787.04-53,528.88-22,021.12

Finding the Fourth Proportional to 38,787.04, 53,528.88 and 22,021.12

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Solution

The fourth proportional to 38,787.04, 53,528.88 and 22,021.12 is: 30,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787.04 : 53,528.88 = 22,021.12 : x
  2. Step 2: Convert to fraction form
    38,787.04/53,528.88 = 22,021.12/x
  3. Step 3: Cross multiply
    38,787.04x = 53,528.88 × 22,021.12
  4. Step 4: Simplify right side
    38,787.04x = 1,178,765,889.95
  5. Step 5: Solve for x
    x = 1,178,765,889.95/38,787.04
  6. Step 6: Final answer
    x = 30,390.72

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Double scale
Find fourth proportional to 38,788.04, 53,530.26 and 22,022.12
Similar ratio
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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.