Home / 38,819.17-53,561.41-28,190.35

Finding the Fourth Proportional to 38,819.17, 53,561.41 and 28,190.35

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Solution

The fourth proportional to 38,819.17, 53,561.41 and 28,190.35 is: 38,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,819.17 : 53,561.41 = 28,190.35 : x
  2. Step 2: Convert to fraction form
    38,819.17/53,561.41 = 28,190.35/x
  3. Step 3: Cross multiply
    38,819.17x = 53,561.41 × 28,190.35
  4. Step 4: Simplify right side
    38,819.17x = 1,509,914,894.39
  5. Step 5: Solve for x
    x = 1,509,914,894.39/38,819.17
  6. Step 6: Final answer
    x = 38,896.11

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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.