Home / 30,691.96-46,028.85-13,157.62

Finding the Fourth Proportional to 30,691.96, 46,028.85 and 13,157.62

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Solution

The fourth proportional to 30,691.96, 46,028.85 and 13,157.62 is: 19,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,691.96 : 46,028.85 = 13,157.62 : x
  2. Step 2: Convert to fraction form
    30,691.96/46,028.85 = 13,157.62/x
  3. Step 3: Cross multiply
    30,691.96x = 46,028.85 × 13,157.62
  4. Step 4: Simplify right side
    30,691.96x = 605,630,117.34
  5. Step 5: Solve for x
    x = 605,630,117.34/30,691.96
  6. Step 6: Final answer
    x = 19,732.53

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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.