Home / 40,354.22-55,688.56-22,206.05

Finding the Fourth Proportional to 40,354.22, 55,688.56 and 22,206.05

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Solution

The fourth proportional to 40,354.22, 55,688.56 and 22,206.05 is: 30,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,354.22 : 55,688.56 = 22,206.05 : x
  2. Step 2: Convert to fraction form
    40,354.22/55,688.56 = 22,206.05/x
  3. Step 3: Cross multiply
    40,354.22x = 55,688.56 × 22,206.05
  4. Step 4: Simplify right side
    40,354.22x = 1,236,623,260.82
  5. Step 5: Solve for x
    x = 1,236,623,260.82/40,354.22
  6. Step 6: Final answer
    x = 30,644.21

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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.