Home / 35,202.78-48,578.67-21,048.30

Finding the Fourth Proportional to 35,202.78, 48,578.67 and 21,048.30

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Solution

The fourth proportional to 35,202.78, 48,578.67 and 21,048.30 is: 29,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,202.78 : 48,578.67 = 21,048.30 : x
  2. Step 2: Convert to fraction form
    35,202.78/48,578.67 = 21,048.30/x
  3. Step 3: Cross multiply
    35,202.78x = 48,578.67 × 21,048.30
  4. Step 4: Simplify right side
    35,202.78x = 1,022,498,419.76
  5. Step 5: Solve for x
    x = 1,022,498,419.76/35,202.78
  6. Step 6: Final answer
    x = 29,045.96

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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.