Home / 51,190.40-76,736.97-17,888.76

Finding the Fourth Proportional to 51,190.40, 76,736.97 and 17,888.76

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Solution

The fourth proportional to 51,190.40, 76,736.97 and 17,888.76 is: 26,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.40 : 76,736.97 = 17,888.76 : x
  2. Step 2: Convert to fraction form
    51,190.40/76,736.97 = 17,888.76/x
  3. Step 3: Cross multiply
    51,190.40x = 76,736.97 × 17,888.76
  4. Step 4: Simplify right side
    51,190.40x = 1,372,729,239.46
  5. Step 5: Solve for x
    x = 1,372,729,239.46/51,190.40
  6. Step 6: Final answer
    x = 26,816.15

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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.