Home / 35,531.80-49,036.26-20,429.44

Finding the Fourth Proportional to 35,531.80, 49,036.26 and 20,429.44

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Solution

The fourth proportional to 35,531.80, 49,036.26 and 20,429.44 is: 28,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.80 : 49,036.26 = 20,429.44 : x
  2. Step 2: Convert to fraction form
    35,531.80/49,036.26 = 20,429.44/x
  3. Step 3: Cross multiply
    35,531.80x = 49,036.26 × 20,429.44
  4. Step 4: Simplify right side
    35,531.80x = 1,001,783,331.49
  5. Step 5: Solve for x
    x = 1,001,783,331.49/35,531.80
  6. Step 6: Final answer
    x = 28,193.99

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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.