Home / 55,463.30-83,203.14-20,400.38

Finding the Fourth Proportional to 55,463.30, 83,203.14 and 20,400.38

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Solution

The fourth proportional to 55,463.30, 83,203.14 and 20,400.38 is: 30,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,463.30 : 83,203.14 = 20,400.38 : x
  2. Step 2: Convert to fraction form
    55,463.30/83,203.14 = 20,400.38/x
  3. Step 3: Cross multiply
    55,463.30x = 83,203.14 × 20,400.38
  4. Step 4: Simplify right side
    55,463.30x = 1,697,375,673.19
  5. Step 5: Solve for x
    x = 1,697,375,673.19/55,463.30
  6. Step 6: Final answer
    x = 30,603.58

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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.