Home / 40,168.88-55,429.16-22,263.52

Finding the Fourth Proportional to 40,168.88, 55,429.16 and 22,263.52

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Solution

The fourth proportional to 40,168.88, 55,429.16 and 22,263.52 is: 30,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.88 : 55,429.16 = 22,263.52 : x
  2. Step 2: Convert to fraction form
    40,168.88/55,429.16 = 22,263.52/x
  3. Step 3: Cross multiply
    40,168.88x = 55,429.16 × 22,263.52
  4. Step 4: Simplify right side
    40,168.88x = 1,234,048,212.24
  5. Step 5: Solve for x
    x = 1,234,048,212.24/40,168.88
  6. Step 6: Final answer
    x = 30,721.50

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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.