Home / 38,309.87-57,518.12-19,602.82

Finding the Fourth Proportional to 38,309.87, 57,518.12 and 19,602.82

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Solution

The fourth proportional to 38,309.87, 57,518.12 and 19,602.82 is: 29,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309.87 : 57,518.12 = 19,602.82 : x
  2. Step 2: Convert to fraction form
    38,309.87/57,518.12 = 19,602.82/x
  3. Step 3: Cross multiply
    38,309.87x = 57,518.12 × 19,602.82
  4. Step 4: Simplify right side
    38,309.87x = 1,127,517,353.10
  5. Step 5: Solve for x
    x = 1,127,517,353.10/38,309.87
  6. Step 6: Final answer
    x = 29,431.51

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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.