Home / 51,498.36-77,255.34-18,218.80

Finding the Fourth Proportional to 51,498.36, 77,255.34 and 18,218.80

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Solution

The fourth proportional to 51,498.36, 77,255.34 and 18,218.80 is: 27,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,498.36 : 77,255.34 = 18,218.80 : x
  2. Step 2: Convert to fraction form
    51,498.36/77,255.34 = 18,218.80/x
  3. Step 3: Cross multiply
    51,498.36x = 77,255.34 × 18,218.80
  4. Step 4: Simplify right side
    51,498.36x = 1,407,499,588.39
  5. Step 5: Solve for x
    x = 1,407,499,588.39/51,498.36
  6. Step 6: Final answer
    x = 27,330.96

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1.5x scale

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.