Home / 45,813.66-68,721.84-17,344.40

Finding the Fourth Proportional to 45,813.66, 68,721.84 and 17,344.40

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Solution

The fourth proportional to 45,813.66, 68,721.84 and 17,344.40 is: 26,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.66 : 68,721.84 = 17,344.40 : x
  2. Step 2: Convert to fraction form
    45,813.66/68,721.84 = 17,344.40/x
  3. Step 3: Cross multiply
    45,813.66x = 68,721.84 × 17,344.40
  4. Step 4: Simplify right side
    45,813.66x = 1,191,938,738.09
  5. Step 5: Solve for x
    x = 1,191,938,738.09/45,813.66
  6. Step 6: Final answer
    x = 26,017.10

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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.