Home / 32,440.49-44,739.90-21,105.84

Finding the Fourth Proportional to 32,440.49, 44,739.90 and 21,105.84

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Solution

The fourth proportional to 32,440.49, 44,739.90 and 21,105.84 is: 29,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,440.49 : 44,739.90 = 21,105.84 : x
  2. Step 2: Convert to fraction form
    32,440.49/44,739.90 = 21,105.84/x
  3. Step 3: Cross multiply
    32,440.49x = 44,739.90 × 21,105.84
  4. Step 4: Simplify right side
    32,440.49x = 944,273,171.02
  5. Step 5: Solve for x
    x = 944,273,171.02/32,440.49
  6. Step 6: Final answer
    x = 29,107.86

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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.