Home / 30,185.02-45,286.18-14,611.42

Finding the Fourth Proportional to 30,185.02, 45,286.18 and 14,611.42

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Solution

The fourth proportional to 30,185.02, 45,286.18 and 14,611.42 is: 21,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.02 : 45,286.18 = 14,611.42 : x
  2. Step 2: Convert to fraction form
    30,185.02/45,286.18 = 14,611.42/x
  3. Step 3: Cross multiply
    30,185.02x = 45,286.18 × 14,611.42
  4. Step 4: Simplify right side
    30,185.02x = 661,695,396.18
  5. Step 5: Solve for x
    x = 661,695,396.18/30,185.02
  6. Step 6: Final answer
    x = 21,921.32

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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.