Home / 31,626.02-47,373.42-18,438.42

Finding the Fourth Proportional to 31,626.02, 47,373.42 and 18,438.42

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Solution

The fourth proportional to 31,626.02, 47,373.42 and 18,438.42 is: 27,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.02 : 47,373.42 = 18,438.42 : x
  2. Step 2: Convert to fraction form
    31,626.02/47,373.42 = 18,438.42/x
  3. Step 3: Cross multiply
    31,626.02x = 47,373.42 × 18,438.42
  4. Step 4: Simplify right side
    31,626.02x = 873,491,014.80
  5. Step 5: Solve for x
    x = 873,491,014.80/31,626.02
  6. Step 6: Final answer
    x = 27,619.38

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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.