Home / 62,578.62-93,860.10-20,455.19

Finding the Fourth Proportional to 62,578.62, 93,860.10 and 20,455.19

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Solution

The fourth proportional to 62,578.62, 93,860.10 and 20,455.19 is: 30,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,578.62 : 93,860.10 = 20,455.19 : x
  2. Step 2: Convert to fraction form
    62,578.62/93,860.10 = 20,455.19/x
  3. Step 3: Cross multiply
    62,578.62x = 93,860.10 × 20,455.19
  4. Step 4: Simplify right side
    62,578.62x = 1,919,925,709.62
  5. Step 5: Solve for x
    x = 1,919,925,709.62/62,578.62
  6. Step 6: Final answer
    x = 30,680.22

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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.