Home / 51,858.50-77,813.15-18,581.13

Finding the Fourth Proportional to 51,858.50, 77,813.15 and 18,581.13

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Solution

The fourth proportional to 51,858.50, 77,813.15 and 18,581.13 is: 27,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,858.50 : 77,813.15 = 18,581.13 : x
  2. Step 2: Convert to fraction form
    51,858.50/77,813.15 = 18,581.13/x
  3. Step 3: Cross multiply
    51,858.50x = 77,813.15 × 18,581.13
  4. Step 4: Simplify right side
    51,858.50x = 1,445,856,255.86
  5. Step 5: Solve for x
    x = 1,445,856,255.86/51,858.50
  6. Step 6: Final answer
    x = 27,880.80

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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.