Home / 40,164.55-55,427.40-22,259.85

Finding the Fourth Proportional to 40,164.55, 55,427.40 and 22,259.85

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Solution

The fourth proportional to 40,164.55, 55,427.40 and 22,259.85 is: 30,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.55 : 55,427.40 = 22,259.85 : x
  2. Step 2: Convert to fraction form
    40,164.55/55,427.40 = 22,259.85/x
  3. Step 3: Cross multiply
    40,164.55x = 55,427.40 × 22,259.85
  4. Step 4: Simplify right side
    40,164.55x = 1,233,805,609.89
  5. Step 5: Solve for x
    x = 1,233,805,609.89/40,164.55
  6. Step 6: Final answer
    x = 30,718.77

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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.