Home / 37,720.09-56,552.19-18,986.41

Finding the Fourth Proportional to 37,720.09, 56,552.19 and 18,986.41

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Solution

The fourth proportional to 37,720.09, 56,552.19 and 18,986.41 is: 28,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720.09 : 56,552.19 = 18,986.41 : x
  2. Step 2: Convert to fraction form
    37,720.09/56,552.19 = 18,986.41/x
  3. Step 3: Cross multiply
    37,720.09x = 56,552.19 × 18,986.41
  4. Step 4: Simplify right side
    37,720.09x = 1,073,723,065.74
  5. Step 5: Solve for x
    x = 1,073,723,065.74/37,720.09
  6. Step 6: Final answer
    x = 28,465.55

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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.