Home / 37,187.20-55,762.88-21,609.28

Finding the Fourth Proportional to 37,187.20, 55,762.88 and 21,609.28

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Solution

The fourth proportional to 37,187.20, 55,762.88 and 21,609.28 is: 32,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,187.20 : 55,762.88 = 21,609.28 : x
  2. Step 2: Convert to fraction form
    37,187.20/55,762.88 = 21,609.28/x
  3. Step 3: Cross multiply
    37,187.20x = 55,762.88 × 21,609.28
  4. Step 4: Simplify right side
    37,187.20x = 1,204,995,687.53
  5. Step 5: Solve for x
    x = 1,204,995,687.53/37,187.20
  6. Step 6: Final answer
    x = 32,403.51

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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.