Home / 42,538.33-63,788.99-12,949.24

Finding the Fourth Proportional to 42,538.33, 63,788.99 and 12,949.24

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Solution

The fourth proportional to 42,538.33, 63,788.99 and 12,949.24 is: 19,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,538.33 : 63,788.99 = 12,949.24 : x
  2. Step 2: Convert to fraction form
    42,538.33/63,788.99 = 12,949.24/x
  3. Step 3: Cross multiply
    42,538.33x = 63,788.99 × 12,949.24
  4. Step 4: Simplify right side
    42,538.33x = 826,018,621.92
  5. Step 5: Solve for x
    x = 826,018,621.92/42,538.33
  6. Step 6: Final answer
    x = 19,418.22

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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.