Home / 39,103.08-58,610.56-19,395.76

Finding the Fourth Proportional to 39,103.08, 58,610.56 and 19,395.76

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Solution

The fourth proportional to 39,103.08, 58,610.56 and 19,395.76 is: 29,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.08 : 58,610.56 = 19,395.76 : x
  2. Step 2: Convert to fraction form
    39,103.08/58,610.56 = 19,395.76/x
  3. Step 3: Cross multiply
    39,103.08x = 58,610.56 × 19,395.76
  4. Step 4: Simplify right side
    39,103.08x = 1,136,796,355.23
  5. Step 5: Solve for x
    x = 1,136,796,355.23/39,103.08
  6. Step 6: Final answer
    x = 29,071.79

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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.