Home / 51,640.08-77,264.64-30,591.42

Finding the Fourth Proportional to 51,640.08, 77,264.64 and 30,591.42

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Solution

The fourth proportional to 51,640.08, 77,264.64 and 30,591.42 is: 45,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,640.08 : 77,264.64 = 30,591.42 : x
  2. Step 2: Convert to fraction form
    51,640.08/77,264.64 = 30,591.42/x
  3. Step 3: Cross multiply
    51,640.08x = 77,264.64 × 30,591.42
  4. Step 4: Simplify right side
    51,640.08x = 2,363,635,053.39
  5. Step 5: Solve for x
    x = 2,363,635,053.39/51,640.08
  6. Step 6: Final answer
    x = 45,771.33

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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.