Home / 31,944.07-47,900.22-18,621.58

Finding the Fourth Proportional to 31,944.07, 47,900.22 and 18,621.58

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Solution

The fourth proportional to 31,944.07, 47,900.22 and 18,621.58 is: 27,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,944.07 : 47,900.22 = 18,621.58 : x
  2. Step 2: Convert to fraction form
    31,944.07/47,900.22 = 18,621.58/x
  3. Step 3: Cross multiply
    31,944.07x = 47,900.22 × 18,621.58
  4. Step 4: Simplify right side
    31,944.07x = 891,977,778.75
  5. Step 5: Solve for x
    x = 891,977,778.75/31,944.07
  6. Step 6: Final answer
    x = 27,923.11

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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.