Home / 31,861.40-43,973.52-22,938.44

Finding the Fourth Proportional to 31,861.40, 43,973.52 and 22,938.44

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Solution

The fourth proportional to 31,861.40, 43,973.52 and 22,938.44 is: 31,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.40 : 43,973.52 = 22,938.44 : x
  2. Step 2: Convert to fraction form
    31,861.40/43,973.52 = 22,938.44/x
  3. Step 3: Cross multiply
    31,861.40x = 43,973.52 × 22,938.44
  4. Step 4: Simplify right side
    31,861.40x = 1,008,683,950.11
  5. Step 5: Solve for x
    x = 1,008,683,950.11/31,861.40
  6. Step 6: Final answer
    x = 31,658.49

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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.