Home / 51,400.41-70,954.38-31,263.72

Finding the Fourth Proportional to 51,400.41, 70,954.38 and 31,263.72

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Solution

The fourth proportional to 51,400.41, 70,954.38 and 31,263.72 is: 43,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,400.41 : 70,954.38 = 31,263.72 : x
  2. Step 2: Convert to fraction form
    51,400.41/70,954.38 = 31,263.72/x
  3. Step 3: Cross multiply
    51,400.41x = 70,954.38 × 31,263.72
  4. Step 4: Simplify right side
    51,400.41x = 2,218,297,869.09
  5. Step 5: Solve for x
    x = 2,218,297,869.09/51,400.41
  6. Step 6: Final answer
    x = 43,157.20

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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.