Home / 29,463.60-40,636.41-20,834.52

Finding the Fourth Proportional to 29,463.60, 40,636.41 and 20,834.52

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Solution

The fourth proportional to 29,463.60, 40,636.41 and 20,834.52 is: 28,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,463.60 : 40,636.41 = 20,834.52 : x
  2. Step 2: Convert to fraction form
    29,463.60/40,636.41 = 20,834.52/x
  3. Step 3: Cross multiply
    29,463.60x = 40,636.41 × 20,834.52
  4. Step 4: Simplify right side
    29,463.60x = 846,640,096.87
  5. Step 5: Solve for x
    x = 846,640,096.87/29,463.60
  6. Step 6: Final answer
    x = 28,735.12

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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.