Home / 45,578.04-68,373.88-15,990.66

Finding the Fourth Proportional to 45,578.04, 68,373.88 and 15,990.66

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Solution

The fourth proportional to 45,578.04, 68,373.88 and 15,990.66 is: 23,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.04 : 68,373.88 = 15,990.66 : x
  2. Step 2: Convert to fraction form
    45,578.04/68,373.88 = 15,990.66/x
  3. Step 3: Cross multiply
    45,578.04x = 68,373.88 × 15,990.66
  4. Step 4: Simplify right side
    45,578.04x = 1,093,343,467.96
  5. Step 5: Solve for x
    x = 1,093,343,467.96/45,578.04
  6. Step 6: Final answer
    x = 23,988.39

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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.