Home / 54,689.24-82,037.88-19,629.20

Finding the Fourth Proportional to 54,689.24, 82,037.88 and 19,629.20

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Solution

The fourth proportional to 54,689.24, 82,037.88 and 19,629.20 is: 29,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,689.24 : 82,037.88 = 19,629.20 : x
  2. Step 2: Convert to fraction form
    54,689.24/82,037.88 = 19,629.20/x
  3. Step 3: Cross multiply
    54,689.24x = 82,037.88 × 19,629.20
  4. Step 4: Simplify right side
    54,689.24x = 1,610,337,954.10
  5. Step 5: Solve for x
    x = 1,610,337,954.10/54,689.24
  6. Step 6: Final answer
    x = 29,445.24

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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.