Home / 40,214.87-55,494.07-22,065.20

Finding the Fourth Proportional to 40,214.87, 55,494.07 and 22,065.20

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Solution

The fourth proportional to 40,214.87, 55,494.07 and 22,065.20 is: 30,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.87 : 55,494.07 = 22,065.20 : x
  2. Step 2: Convert to fraction form
    40,214.87/55,494.07 = 22,065.20/x
  3. Step 3: Cross multiply
    40,214.87x = 55,494.07 × 22,065.20
  4. Step 4: Simplify right side
    40,214.87x = 1,224,487,420.73
  5. Step 5: Solve for x
    x = 1,224,487,420.73/40,214.87
  6. Step 6: Final answer
    x = 30,448.63

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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.