Home / 40,147.36-55,403.84-22,242.64

Finding the Fourth Proportional to 40,147.36, 55,403.84 and 22,242.64

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Solution

The fourth proportional to 40,147.36, 55,403.84 and 22,242.64 is: 30,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.36 : 55,403.84 = 22,242.64 : x
  2. Step 2: Convert to fraction form
    40,147.36/55,403.84 = 22,242.64/x
  3. Step 3: Cross multiply
    40,147.36x = 55,403.84 × 22,242.64
  4. Step 4: Simplify right side
    40,147.36x = 1,232,327,667.74
  5. Step 5: Solve for x
    x = 1,232,327,667.74/40,147.36
  6. Step 6: Final answer
    x = 30,695.11

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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.