Home / 51,436.47-77,091.06-30,355.14

Finding the Fourth Proportional to 51,436.47, 77,091.06 and 30,355.14

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Solution

The fourth proportional to 51,436.47, 77,091.06 and 30,355.14 is: 45,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.47 : 77,091.06 = 30,355.14 : x
  2. Step 2: Convert to fraction form
    51,436.47/77,091.06 = 30,355.14/x
  3. Step 3: Cross multiply
    51,436.47x = 77,091.06 × 30,355.14
  4. Step 4: Simplify right side
    51,436.47x = 2,340,109,919.05
  5. Step 5: Solve for x
    x = 2,340,109,919.05/51,436.47
  6. Step 6: Final answer
    x = 45,495.15

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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.