Home / 31,972.12-47,987.72-16,188.23

Finding the Fourth Proportional to 31,972.12, 47,987.72 and 16,188.23

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Solution

The fourth proportional to 31,972.12, 47,987.72 and 16,188.23 is: 24,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.12 : 47,987.72 = 16,188.23 : x
  2. Step 2: Convert to fraction form
    31,972.12/47,987.72 = 16,188.23/x
  3. Step 3: Cross multiply
    31,972.12x = 47,987.72 × 16,188.23
  4. Step 4: Simplify right side
    31,972.12x = 776,836,167.59
  5. Step 5: Solve for x
    x = 776,836,167.59/31,972.12
  6. Step 6: Final answer
    x = 24,297.30

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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.