Home / 40,086.81-55,319.02-22,181.83

Finding the Fourth Proportional to 40,086.81, 55,319.02 and 22,181.83

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Solution

The fourth proportional to 40,086.81, 55,319.02 and 22,181.83 is: 30,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.81 : 55,319.02 = 22,181.83 : x
  2. Step 2: Convert to fraction form
    40,086.81/55,319.02 = 22,181.83/x
  3. Step 3: Cross multiply
    40,086.81x = 55,319.02 × 22,181.83
  4. Step 4: Simplify right side
    40,086.81x = 1,227,076,903.65
  5. Step 5: Solve for x
    x = 1,227,076,903.65/40,086.81
  6. Step 6: Final answer
    x = 30,610.49

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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.