Home / 40,319.34-55,642.12-22,171.44

Finding the Fourth Proportional to 40,319.34, 55,642.12 and 22,171.44

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Solution

The fourth proportional to 40,319.34, 55,642.12 and 22,171.44 is: 30,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.34 : 55,642.12 = 22,171.44 : x
  2. Step 2: Convert to fraction form
    40,319.34/55,642.12 = 22,171.44/x
  3. Step 3: Cross multiply
    40,319.34x = 55,642.12 × 22,171.44
  4. Step 4: Simplify right side
    40,319.34x = 1,233,665,925.05
  5. Step 5: Solve for x
    x = 1,233,665,925.05/40,319.34
  6. Step 6: Final answer
    x = 30,597.37

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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.