Home / 29,640.60-40,901.94-16,211.57

Finding the Fourth Proportional to 29,640.60, 40,901.94 and 16,211.57

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Solution

The fourth proportional to 29,640.60, 40,901.94 and 16,211.57 is: 22,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,640.60 : 40,901.94 = 16,211.57 : x
  2. Step 2: Convert to fraction form
    29,640.60/40,901.94 = 16,211.57/x
  3. Step 3: Cross multiply
    29,640.60x = 40,901.94 × 16,211.57
  4. Step 4: Simplify right side
    29,640.60x = 663,084,458.94
  5. Step 5: Solve for x
    x = 663,084,458.94/29,640.60
  6. Step 6: Final answer
    x = 22,370.82

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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.