Home / 51,019.70-76,534.59-15,960.02

Finding the Fourth Proportional to 51,019.70, 76,534.59 and 15,960.02

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Solution

The fourth proportional to 51,019.70, 76,534.59 and 15,960.02 is: 23,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019.70 : 76,534.59 = 15,960.02 : x
  2. Step 2: Convert to fraction form
    51,019.70/76,534.59 = 15,960.02/x
  3. Step 3: Cross multiply
    51,019.70x = 76,534.59 × 15,960.02
  4. Step 4: Simplify right side
    51,019.70x = 1,221,493,587.09
  5. Step 5: Solve for x
    x = 1,221,493,587.09/51,019.70
  6. Step 6: Final answer
    x = 23,941.61

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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.