Home / 38,023.38-52,476.20-21,891.32

Finding the Fourth Proportional to 38,023.38, 52,476.20 and 21,891.32

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Solution

The fourth proportional to 38,023.38, 52,476.20 and 21,891.32 is: 30,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,023.38 : 52,476.20 = 21,891.32 : x
  2. Step 2: Convert to fraction form
    38,023.38/52,476.20 = 21,891.32/x
  3. Step 3: Cross multiply
    38,023.38x = 52,476.20 × 21,891.32
  4. Step 4: Simplify right side
    38,023.38x = 1,148,772,914.75
  5. Step 5: Solve for x
    x = 1,148,772,914.75/38,023.38
  6. Step 6: Final answer
    x = 30,212.28

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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.