Home / 51,162.34-76,660.08-31,399.18

Finding the Fourth Proportional to 51,162.34, 76,660.08 and 31,399.18

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Solution

The fourth proportional to 51,162.34, 76,660.08 and 31,399.18 is: 47,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,162.34 : 76,660.08 = 31,399.18 : x
  2. Step 2: Convert to fraction form
    51,162.34/76,660.08 = 31,399.18/x
  3. Step 3: Cross multiply
    51,162.34x = 76,660.08 × 31,399.18
  4. Step 4: Simplify right side
    51,162.34x = 2,407,063,650.73
  5. Step 5: Solve for x
    x = 2,407,063,650.73/51,162.34
  6. Step 6: Final answer
    x = 47,047.57

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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.