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Finding the Fourth Proportional to 79,282.85, 118,924.27 and 23,878.85

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Solution

The fourth proportional to 79,282.85, 118,924.27 and 23,878.85 is: 35,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.85 : 118,924.27 = 23,878.85 : x
  2. Step 2: Convert to fraction form
    79,282.85/118,924.27 = 23,878.85/x
  3. Step 3: Cross multiply
    79,282.85x = 118,924.27 × 23,878.85
  4. Step 4: Simplify right side
    79,282.85x = 2,839,774,150.37
  5. Step 5: Solve for x
    x = 2,839,774,150.37/79,282.85
  6. Step 6: Final answer
    x = 35,818.27

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Similar ratio
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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.