Home / 42,645.65-63,982.62-13,063.77

Finding the Fourth Proportional to 42,645.65, 63,982.62 and 13,063.77

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Solution

The fourth proportional to 42,645.65, 63,982.62 and 13,063.77 is: 19,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645.65 : 63,982.62 = 13,063.77 : x
  2. Step 2: Convert to fraction form
    42,645.65/63,982.62 = 13,063.77/x
  3. Step 3: Cross multiply
    42,645.65x = 63,982.62 × 13,063.77
  4. Step 4: Simplify right side
    42,645.65x = 835,854,231.68
  5. Step 5: Solve for x
    x = 835,854,231.68/42,645.65
  6. Step 6: Final answer
    x = 19,599.99

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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.