Home / 51,230.81-76,880.75-17,951.18

Finding the Fourth Proportional to 51,230.81, 76,880.75 and 17,951.18

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Solution

The fourth proportional to 51,230.81, 76,880.75 and 17,951.18 is: 26,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,230.81 : 76,880.75 = 17,951.18 : x
  2. Step 2: Convert to fraction form
    51,230.81/76,880.75 = 17,951.18/x
  3. Step 3: Cross multiply
    51,230.81x = 76,880.75 × 17,951.18
  4. Step 4: Simplify right side
    51,230.81x = 1,380,099,707.63
  5. Step 5: Solve for x
    x = 1,380,099,707.63/51,230.81
  6. Step 6: Final answer
    x = 26,938.86

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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.