Home / 45,381.76-68,020.48-17,656.32

Finding the Fourth Proportional to 45,381.76, 68,020.48 and 17,656.32

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Solution

The fourth proportional to 45,381.76, 68,020.48 and 17,656.32 is: 26,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381.76 : 68,020.48 = 17,656.32 : x
  2. Step 2: Convert to fraction form
    45,381.76/68,020.48 = 17,656.32/x
  3. Step 3: Cross multiply
    45,381.76x = 68,020.48 × 17,656.32
  4. Step 4: Simplify right side
    45,381.76x = 1,200,991,361.43
  5. Step 5: Solve for x
    x = 1,200,991,361.43/45,381.76
  6. Step 6: Final answer
    x = 26,464.19

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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.