Home / 51,112.26-70,518.51-30,962.70

Finding the Fourth Proportional to 51,112.26, 70,518.51 and 30,962.70

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Solution

The fourth proportional to 51,112.26, 70,518.51 and 30,962.70 is: 42,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.26 : 70,518.51 = 30,962.70 : x
  2. Step 2: Convert to fraction form
    51,112.26/70,518.51 = 30,962.70/x
  3. Step 3: Cross multiply
    51,112.26x = 70,518.51 × 30,962.70
  4. Step 4: Simplify right side
    51,112.26x = 2,183,443,469.58
  5. Step 5: Solve for x
    x = 2,183,443,469.58/51,112.26
  6. Step 6: Final answer
    x = 42,718.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.