Home / 35,369.36-48,800.80-21,028.38

Finding the Fourth Proportional to 35,369.36, 48,800.80 and 21,028.38

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Solution

The fourth proportional to 35,369.36, 48,800.80 and 21,028.38 is: 29,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.36 : 48,800.80 = 21,028.38 : x
  2. Step 2: Convert to fraction form
    35,369.36/48,800.80 = 21,028.38/x
  3. Step 3: Cross multiply
    35,369.36x = 48,800.80 × 21,028.38
  4. Step 4: Simplify right side
    35,369.36x = 1,026,201,766.70
  5. Step 5: Solve for x
    x = 1,026,201,766.70/35,369.36
  6. Step 6: Final answer
    x = 29,013.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.