Home / 45,344.16-68,024.88-17,640

Finding the Fourth Proportional to 45,344.16, 68,024.88 and 17,640

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Solution

The fourth proportional to 45,344.16, 68,024.88 and 17,640 is: 26,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344.16 : 68,024.88 = 17,640 : x
  2. Step 2: Convert to fraction form
    45,344.16/68,024.88 = 17,640/x
  3. Step 3: Cross multiply
    45,344.16x = 68,024.88 × 17,640
  4. Step 4: Simplify right side
    45,344.16x = 1,199,958,883.20
  5. Step 5: Solve for x
    x = 1,199,958,883.20/45,344.16
  6. Step 6: Final answer
    x = 26,463.36

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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.