Home / 40,092.98-55,328.41-22,189.21

Finding the Fourth Proportional to 40,092.98, 55,328.41 and 22,189.21

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Solution

The fourth proportional to 40,092.98, 55,328.41 and 22,189.21 is: 30,621.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,092.98 : 55,328.41 = 22,189.21 : x
  2. Step 2: Convert to fraction form
    40,092.98/55,328.41 = 22,189.21/x
  3. Step 3: Cross multiply
    40,092.98x = 55,328.41 × 22,189.21
  4. Step 4: Simplify right side
    40,092.98x = 1,227,693,708.46
  5. Step 5: Solve for x
    x = 1,227,693,708.46/40,092.98
  6. Step 6: Final answer
    x = 30,621.16

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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.