Home / 40,284.04-55,591.20-22,378.24

Finding the Fourth Proportional to 40,284.04, 55,591.20 and 22,378.24

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Solution

The fourth proportional to 40,284.04, 55,591.20 and 22,378.24 is: 30,881.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.04 : 55,591.20 = 22,378.24 : x
  2. Step 2: Convert to fraction form
    40,284.04/55,591.20 = 22,378.24/x
  3. Step 3: Cross multiply
    40,284.04x = 55,591.20 × 22,378.24
  4. Step 4: Simplify right side
    40,284.04x = 1,244,033,215.49
  5. Step 5: Solve for x
    x = 1,244,033,215.49/40,284.04
  6. Step 6: Final answer
    x = 30,881.54

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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.