Home / 40,419.22-55,776.36-22,269.37

Finding the Fourth Proportional to 40,419.22, 55,776.36 and 22,269.37

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Solution

The fourth proportional to 40,419.22, 55,776.36 and 22,269.37 is: 30,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.22 : 55,776.36 = 22,269.37 : x
  2. Step 2: Convert to fraction form
    40,419.22/55,776.36 = 22,269.37/x
  3. Step 3: Cross multiply
    40,419.22x = 55,776.36 × 22,269.37
  4. Step 4: Simplify right side
    40,419.22x = 1,242,104,398.09
  5. Step 5: Solve for x
    x = 1,242,104,398.09/40,419.22
  6. Step 6: Final answer
    x = 30,730.54

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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.