Home / 52,118.07-71,923-28,244.75

Finding the Fourth Proportional to 52,118.07, 71,923 and 28,244.75

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Solution

The fourth proportional to 52,118.07, 71,923 and 28,244.75 is: 38,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.07 : 71,923 = 28,244.75 : x
  2. Step 2: Convert to fraction form
    52,118.07/71,923 = 28,244.75/x
  3. Step 3: Cross multiply
    52,118.07x = 71,923 × 28,244.75
  4. Step 4: Simplify right side
    52,118.07x = 2,031,446,794.64
  5. Step 5: Solve for x
    x = 2,031,446,794.64/52,118.07
  6. Step 6: Final answer
    x = 38,977.78

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Half scale
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Double scale
Find fourth proportional to 52,119.07, 71,924.38 and 28,245.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.