Home / 39,127.42-54,016.76-30,611.44

Finding the Fourth Proportional to 39,127.42, 54,016.76 and 30,611.44

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Solution

The fourth proportional to 39,127.42, 54,016.76 and 30,611.44 is: 42,260.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,127.42 : 54,016.76 = 30,611.44 : x
  2. Step 2: Convert to fraction form
    39,127.42/54,016.76 = 30,611.44/x
  3. Step 3: Cross multiply
    39,127.42x = 54,016.76 × 30,611.44
  4. Step 4: Simplify right side
    39,127.42x = 1,653,530,807.73
  5. Step 5: Solve for x
    x = 1,653,530,807.73/39,127.42
  6. Step 6: Final answer
    x = 42,260.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.