Home / 31,621.68-47,367.36-19,110.22

Finding the Fourth Proportional to 31,621.68, 47,367.36 and 19,110.22

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Solution

The fourth proportional to 31,621.68, 47,367.36 and 19,110.22 is: 28,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621.68 : 47,367.36 = 19,110.22 : x
  2. Step 2: Convert to fraction form
    31,621.68/47,367.36 = 19,110.22/x
  3. Step 3: Cross multiply
    31,621.68x = 47,367.36 × 19,110.22
  4. Step 4: Simplify right side
    31,621.68x = 905,200,670.42
  5. Step 5: Solve for x
    x = 905,200,670.42/31,621.68
  6. Step 6: Final answer
    x = 28,625.95

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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.