Home / 35,448.06-53,121.90-19,660.02

Finding the Fourth Proportional to 35,448.06, 53,121.90 and 19,660.02

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Solution

The fourth proportional to 35,448.06, 53,121.90 and 19,660.02 is: 29,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.06 : 53,121.90 = 19,660.02 : x
  2. Step 2: Convert to fraction form
    35,448.06/53,121.90 = 19,660.02/x
  3. Step 3: Cross multiply
    35,448.06x = 53,121.90 × 19,660.02
  4. Step 4: Simplify right side
    35,448.06x = 1,044,377,616.44
  5. Step 5: Solve for x
    x = 1,044,377,616.44/35,448.06
  6. Step 6: Final answer
    x = 29,462.19

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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.