Home / 31,850.52-43,877.75-22,272.50

Finding the Fourth Proportional to 31,850.52, 43,877.75 and 22,272.50

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Solution

The fourth proportional to 31,850.52, 43,877.75 and 22,272.50 is: 30,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,850.52 : 43,877.75 = 22,272.50 : x
  2. Step 2: Convert to fraction form
    31,850.52/43,877.75 = 22,272.50/x
  3. Step 3: Cross multiply
    31,850.52x = 43,877.75 × 22,272.50
  4. Step 4: Simplify right side
    31,850.52x = 977,266,856.12
  5. Step 5: Solve for x
    x = 977,266,856.12/31,850.52
  6. Step 6: Final answer
    x = 30,682.92

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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.