Home / 35,829.60-53,629.28-19,147.92

Finding the Fourth Proportional to 35,829.60, 53,629.28 and 19,147.92

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Solution

The fourth proportional to 35,829.60, 53,629.28 and 19,147.92 is: 28,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.60 : 53,629.28 = 19,147.92 : x
  2. Step 2: Convert to fraction form
    35,829.60/53,629.28 = 19,147.92/x
  3. Step 3: Cross multiply
    35,829.60x = 53,629.28 × 19,147.92
  4. Step 4: Simplify right side
    35,829.60x = 1,026,889,163.10
  5. Step 5: Solve for x
    x = 1,026,889,163.10/35,829.60
  6. Step 6: Final answer
    x = 28,660.36

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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.