Home / 42,575.82-63,873.66-12,993.60

Finding the Fourth Proportional to 42,575.82, 63,873.66 and 12,993.60

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Solution

The fourth proportional to 42,575.82, 63,873.66 and 12,993.60 is: 19,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,575.82 : 63,873.66 = 12,993.60 : x
  2. Step 2: Convert to fraction form
    42,575.82/63,873.66 = 12,993.60/x
  3. Step 3: Cross multiply
    42,575.82x = 63,873.66 × 12,993.60
  4. Step 4: Simplify right side
    42,575.82x = 829,948,788.58
  5. Step 5: Solve for x
    x = 829,948,788.58/42,575.82
  6. Step 6: Final answer
    x = 19,493.43

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1.5x scale

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.