Home / 51,621.78-77,442.75-16,558.74

Finding the Fourth Proportional to 51,621.78, 77,442.75 and 16,558.74

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Solution

The fourth proportional to 51,621.78, 77,442.75 and 16,558.74 is: 24,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,621.78 : 77,442.75 = 16,558.74 : x
  2. Step 2: Convert to fraction form
    51,621.78/77,442.75 = 16,558.74/x
  3. Step 3: Cross multiply
    51,621.78x = 77,442.75 × 16,558.74
  4. Step 4: Simplify right side
    51,621.78x = 1,282,354,362.14
  5. Step 5: Solve for x
    x = 1,282,354,362.14/51,621.78
  6. Step 6: Final answer
    x = 24,841.34

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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.