Home / 51,238.96-76,349.07-45,649.35

Finding the Fourth Proportional to 51,238.96, 76,349.07 and 45,649.35

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Solution

The fourth proportional to 51,238.96, 76,349.07 and 45,649.35 is: 68,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.96 : 76,349.07 = 45,649.35 : x
  2. Step 2: Convert to fraction form
    51,238.96/76,349.07 = 45,649.35/x
  3. Step 3: Cross multiply
    51,238.96x = 76,349.07 × 45,649.35
  4. Step 4: Simplify right side
    51,238.96x = 3,485,285,418.60
  5. Step 5: Solve for x
    x = 3,485,285,418.60/51,238.96
  6. Step 6: Final answer
    x = 68,020.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.