Home / 51,238.83-76,348.89-45,649.23

Finding the Fourth Proportional to 51,238.83, 76,348.89 and 45,649.23

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Solution

The fourth proportional to 51,238.83, 76,348.89 and 45,649.23 is: 68,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.83 : 76,348.89 = 45,649.23 : x
  2. Step 2: Convert to fraction form
    51,238.83/76,348.89 = 45,649.23/x
  3. Step 3: Cross multiply
    51,238.83x = 76,348.89 × 45,649.23
  4. Step 4: Simplify right side
    51,238.83x = 3,485,267,429.86
  5. Step 5: Solve for x
    x = 3,485,267,429.86/51,238.83
  6. Step 6: Final answer
    x = 68,020.04

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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.