Home / 38,190.60-57,278.48-19,210.17

Finding the Fourth Proportional to 38,190.60, 57,278.48 and 19,210.17

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Solution

The fourth proportional to 38,190.60, 57,278.48 and 19,210.17 is: 28,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.60 : 57,278.48 = 19,210.17 : x
  2. Step 2: Convert to fraction form
    38,190.60/57,278.48 = 19,210.17/x
  3. Step 3: Cross multiply
    38,190.60x = 57,278.48 × 19,210.17
  4. Step 4: Simplify right side
    38,190.60x = 1,100,329,338.14
  5. Step 5: Solve for x
    x = 1,100,329,338.14/38,190.60
  6. Step 6: Final answer
    x = 28,811.52

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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.