Home / 37,469.40-56,195.10-21,640.20

Finding the Fourth Proportional to 37,469.40, 56,195.10 and 21,640.20

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Solution

The fourth proportional to 37,469.40, 56,195.10 and 21,640.20 is: 32,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,469.40 : 56,195.10 = 21,640.20 : x
  2. Step 2: Convert to fraction form
    37,469.40/56,195.10 = 21,640.20/x
  3. Step 3: Cross multiply
    37,469.40x = 56,195.10 × 21,640.20
  4. Step 4: Simplify right side
    37,469.40x = 1,216,073,203.02
  5. Step 5: Solve for x
    x = 1,216,073,203.02/37,469.40
  6. Step 6: Final answer
    x = 32,455.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.