Home / 45,435.53-68,108.65-21,736.35

Finding the Fourth Proportional to 45,435.53, 68,108.65 and 21,736.35

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Solution

The fourth proportional to 45,435.53, 68,108.65 and 21,736.35 is: 32,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.53 : 68,108.65 = 21,736.35 : x
  2. Step 2: Convert to fraction form
    45,435.53/68,108.65 = 21,736.35/x
  3. Step 3: Cross multiply
    45,435.53x = 68,108.65 × 21,736.35
  4. Step 4: Simplify right side
    45,435.53x = 1,480,433,400.09
  5. Step 5: Solve for x
    x = 1,480,433,400.09/45,435.53
  6. Step 6: Final answer
    x = 32,583.16

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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.