Home / 38,491.68-57,790.64-26,616.32

Finding the Fourth Proportional to 38,491.68, 57,790.64 and 26,616.32

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Solution

The fourth proportional to 38,491.68, 57,790.64 and 26,616.32 is: 39,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.68 : 57,790.64 = 26,616.32 : x
  2. Step 2: Convert to fraction form
    38,491.68/57,790.64 = 26,616.32/x
  3. Step 3: Cross multiply
    38,491.68x = 57,790.64 × 26,616.32
  4. Step 4: Simplify right side
    38,491.68x = 1,538,174,167.24
  5. Step 5: Solve for x
    x = 1,538,174,167.24/38,491.68
  6. Step 6: Final answer
    x = 39,961.21

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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.