Home / 30,127.68-45,191.29-9,067.62

Finding the Fourth Proportional to 30,127.68, 45,191.29 and 9,067.62

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Solution

The fourth proportional to 30,127.68, 45,191.29 and 9,067.62 is: 13,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.68 : 45,191.29 = 9,067.62 : x
  2. Step 2: Convert to fraction form
    30,127.68/45,191.29 = 9,067.62/x
  3. Step 3: Cross multiply
    30,127.68x = 45,191.29 × 9,067.62
  4. Step 4: Simplify right side
    30,127.68x = 409,777,445.03
  5. Step 5: Solve for x
    x = 409,777,445.03/30,127.68
  6. Step 6: Final answer
    x = 13,601.36

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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.