Home / 51,196.62-70,642.77-28,530.64

Finding the Fourth Proportional to 51,196.62, 70,642.77 and 28,530.64

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Solution

The fourth proportional to 51,196.62, 70,642.77 and 28,530.64 is: 39,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,196.62 : 70,642.77 = 28,530.64 : x
  2. Step 2: Convert to fraction form
    51,196.62/70,642.77 = 28,530.64/x
  3. Step 3: Cross multiply
    51,196.62x = 70,642.77 × 28,530.64
  4. Step 4: Simplify right side
    51,196.62x = 2,015,483,439.47
  5. Step 5: Solve for x
    x = 2,015,483,439.47/51,196.62
  6. Step 6: Final answer
    x = 39,367.51

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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.