Home / 34,305.20-51,457.80-29,121.20

Finding the Fourth Proportional to 34,305.20, 51,457.80 and 29,121.20

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Solution

The fourth proportional to 34,305.20, 51,457.80 and 29,121.20 is: 43,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,305.20 : 51,457.80 = 29,121.20 : x
  2. Step 2: Convert to fraction form
    34,305.20/51,457.80 = 29,121.20/x
  3. Step 3: Cross multiply
    34,305.20x = 51,457.80 × 29,121.20
  4. Step 4: Simplify right side
    34,305.20x = 1,498,512,885.36
  5. Step 5: Solve for x
    x = 1,498,512,885.36/34,305.20
  6. Step 6: Final answer
    x = 43,681.80

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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.