Home / 40,090.98-55,325.66-22,187.22

Finding the Fourth Proportional to 40,090.98, 55,325.66 and 22,187.22

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Solution

The fourth proportional to 40,090.98, 55,325.66 and 22,187.22 is: 30,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.98 : 55,325.66 = 22,187.22 : x
  2. Step 2: Convert to fraction form
    40,090.98/55,325.66 = 22,187.22/x
  3. Step 3: Cross multiply
    40,090.98x = 55,325.66 × 22,187.22
  4. Step 4: Simplify right side
    40,090.98x = 1,227,522,590.07
  5. Step 5: Solve for x
    x = 1,227,522,590.07/40,090.98
  6. Step 6: Final answer
    x = 30,618.42

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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.