Home / 51,621.72-77,428.32-36,566.65

Finding the Fourth Proportional to 51,621.72, 77,428.32 and 36,566.65

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Solution

The fourth proportional to 51,621.72, 77,428.32 and 36,566.65 is: 54,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.72 : 77,428.32 = 36,566.65 : x
  2. Step 2: Convert to fraction form
    51,621.72/77,428.32 = 36,566.65/x
  3. Step 3: Cross multiply
    51,621.72x = 77,428.32 × 36,566.65
  4. Step 4: Simplify right side
    51,621.72x = 2,831,294,277.53
  5. Step 5: Solve for x
    x = 2,831,294,277.53/51,621.72
  6. Step 6: Final answer
    x = 54,846.96

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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.