Home / 51,217.40-76,823.35-15,678.73

Finding the Fourth Proportional to 51,217.40, 76,823.35 and 15,678.73

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Solution

The fourth proportional to 51,217.40, 76,823.35 and 15,678.73 is: 23,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.40 : 76,823.35 = 15,678.73 : x
  2. Step 2: Convert to fraction form
    51,217.40/76,823.35 = 15,678.73/x
  3. Step 3: Cross multiply
    51,217.40x = 76,823.35 × 15,678.73
  4. Step 4: Simplify right side
    51,217.40x = 1,204,492,707.37
  5. Step 5: Solve for x
    x = 1,204,492,707.37/51,217.40
  6. Step 6: Final answer
    x = 23,517.26

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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.