Home / 51,010.20-76,515.30-50,718.60

Finding the Fourth Proportional to 51,010.20, 76,515.30 and 50,718.60

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Solution

The fourth proportional to 51,010.20, 76,515.30 and 50,718.60 is: 76,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.20 : 76,515.30 = 50,718.60 : x
  2. Step 2: Convert to fraction form
    51,010.20/76,515.30 = 50,718.60/x
  3. Step 3: Cross multiply
    51,010.20x = 76,515.30 × 50,718.60
  4. Step 4: Simplify right side
    51,010.20x = 3,880,748,894.58
  5. Step 5: Solve for x
    x = 3,880,748,894.58/51,010.20
  6. Step 6: Final answer
    x = 76,077.90

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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.