Home / 51,705.15-77,579.70-29,218.91

Finding the Fourth Proportional to 51,705.15, 77,579.70 and 29,218.91

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Solution

The fourth proportional to 51,705.15, 77,579.70 and 29,218.91 is: 43,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.15 : 77,579.70 = 29,218.91 : x
  2. Step 2: Convert to fraction form
    51,705.15/77,579.70 = 29,218.91/x
  3. Step 3: Cross multiply
    51,705.15x = 77,579.70 × 29,218.91
  4. Step 4: Simplify right side
    51,705.15x = 2,266,794,272.13
  5. Step 5: Solve for x
    x = 2,266,794,272.13/51,705.15
  6. Step 6: Final answer
    x = 43,840.78

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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.