Home / 40,338.72-60,468.56-18,157.68

Finding the Fourth Proportional to 40,338.72, 60,468.56 and 18,157.68

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Solution

The fourth proportional to 40,338.72, 60,468.56 and 18,157.68 is: 27,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.72 : 60,468.56 = 18,157.68 : x
  2. Step 2: Convert to fraction form
    40,338.72/60,468.56 = 18,157.68/x
  3. Step 3: Cross multiply
    40,338.72x = 60,468.56 × 18,157.68
  4. Step 4: Simplify right side
    40,338.72x = 1,097,968,762.54
  5. Step 5: Solve for x
    x = 1,097,968,762.54/40,338.72
  6. Step 6: Final answer
    x = 27,218.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.