Home / 51,039-76,591.35-19,874.25

Finding the Fourth Proportional to 51,039, 76,591.35 and 19,874.25

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Solution

The fourth proportional to 51,039, 76,591.35 and 19,874.25 is: 29,824.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,039 : 76,591.35 = 19,874.25 : x
  2. Step 2: Convert to fraction form
    51,039/76,591.35 = 19,874.25/x
  3. Step 3: Cross multiply
    51,039x = 76,591.35 × 19,874.25
  4. Step 4: Simplify right side
    51,039x = 1,522,195,637.74
  5. Step 5: Solve for x
    x = 1,522,195,637.74/51,039
  6. Step 6: Final answer
    x = 29,824.17

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1.5x scale

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.