Home / 51,131.88-70,581.24-29,917.98

Finding the Fourth Proportional to 51,131.88, 70,581.24 and 29,917.98

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Solution

The fourth proportional to 51,131.88, 70,581.24 and 29,917.98 is: 41,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,131.88 : 70,581.24 = 29,917.98 : x
  2. Step 2: Convert to fraction form
    51,131.88/70,581.24 = 29,917.98/x
  3. Step 3: Cross multiply
    51,131.88x = 70,581.24 × 29,917.98
  4. Step 4: Simplify right side
    51,131.88x = 2,111,648,126.70
  5. Step 5: Solve for x
    x = 2,111,648,126.70/51,131.88
  6. Step 6: Final answer
    x = 41,298.07

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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.