Home / 35,039.80-48,354.60-21,605.68

Finding the Fourth Proportional to 35,039.80, 48,354.60 and 21,605.68

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Solution

The fourth proportional to 35,039.80, 48,354.60 and 21,605.68 is: 29,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,039.80 : 48,354.60 = 21,605.68 : x
  2. Step 2: Convert to fraction form
    35,039.80/48,354.60 = 21,605.68/x
  3. Step 3: Cross multiply
    35,039.80x = 48,354.60 × 21,605.68
  4. Step 4: Simplify right side
    35,039.80x = 1,044,734,014.13
  5. Step 5: Solve for x
    x = 1,044,734,014.13/35,039.80
  6. Step 6: Final answer
    x = 29,815.64

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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.