Home / 31,270.92-43,153.56-16,930.50

Finding the Fourth Proportional to 31,270.92, 43,153.56 and 16,930.50

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Solution

The fourth proportional to 31,270.92, 43,153.56 and 16,930.50 is: 23,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.92 : 43,153.56 = 16,930.50 : x
  2. Step 2: Convert to fraction form
    31,270.92/43,153.56 = 16,930.50/x
  3. Step 3: Cross multiply
    31,270.92x = 43,153.56 × 16,930.50
  4. Step 4: Simplify right side
    31,270.92x = 730,611,347.58
  5. Step 5: Solve for x
    x = 730,611,347.58/31,270.92
  6. Step 6: Final answer
    x = 23,363.92

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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.