Home / 51,415.56-70,806.32-48,211.68

Finding the Fourth Proportional to 51,415.56, 70,806.32 and 48,211.68

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Solution

The fourth proportional to 51,415.56, 70,806.32 and 48,211.68 is: 66,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,415.56 : 70,806.32 = 48,211.68 : x
  2. Step 2: Convert to fraction form
    51,415.56/70,806.32 = 48,211.68/x
  3. Step 3: Cross multiply
    51,415.56x = 70,806.32 × 48,211.68
  4. Step 4: Simplify right side
    51,415.56x = 3,413,691,400.76
  5. Step 5: Solve for x
    x = 3,413,691,400.76/51,415.56
  6. Step 6: Final answer
    x = 66,394.13

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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.