Home / 40,695.72-61,074.84-18,213.36

Finding the Fourth Proportional to 40,695.72, 61,074.84 and 18,213.36

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Solution

The fourth proportional to 40,695.72, 61,074.84 and 18,213.36 is: 27,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.72 : 61,074.84 = 18,213.36 : x
  2. Step 2: Convert to fraction form
    40,695.72/61,074.84 = 18,213.36/x
  3. Step 3: Cross multiply
    40,695.72x = 61,074.84 × 18,213.36
  4. Step 4: Simplify right side
    40,695.72x = 1,112,378,047.86
  5. Step 5: Solve for x
    x = 1,112,378,047.86/40,695.72
  6. Step 6: Final answer
    x = 27,334.03

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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.