Home / 40,200.23-55,479.72-22,301

Finding the Fourth Proportional to 40,200.23, 55,479.72 and 22,301

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Solution

The fourth proportional to 40,200.23, 55,479.72 and 22,301 is: 30,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,200.23 : 55,479.72 = 22,301 : x
  2. Step 2: Convert to fraction form
    40,200.23/55,479.72 = 22,301/x
  3. Step 3: Cross multiply
    40,200.23x = 55,479.72 × 22,301
  4. Step 4: Simplify right side
    40,200.23x = 1,237,253,235.72
  5. Step 5: Solve for x
    x = 1,237,253,235.72/40,200.23
  6. Step 6: Final answer
    x = 30,777.27

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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.