Home / 51,079.52-70,468.08-31,196

Finding the Fourth Proportional to 51,079.52, 70,468.08 and 31,196

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Solution

The fourth proportional to 51,079.52, 70,468.08 and 31,196 is: 43,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.52 : 70,468.08 = 31,196 : x
  2. Step 2: Convert to fraction form
    51,079.52/70,468.08 = 31,196/x
  3. Step 3: Cross multiply
    51,079.52x = 70,468.08 × 31,196
  4. Step 4: Simplify right side
    51,079.52x = 2,198,322,223.68
  5. Step 5: Solve for x
    x = 2,198,322,223.68/51,079.52
  6. Step 6: Final answer
    x = 43,037.25

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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.