Home / 31,443.36-47,165.02-8,069.79

Finding the Fourth Proportional to 31,443.36, 47,165.02 and 8,069.79

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Solution

The fourth proportional to 31,443.36, 47,165.02 and 8,069.79 is: 12,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,443.36 : 47,165.02 = 8,069.79 : x
  2. Step 2: Convert to fraction form
    31,443.36/47,165.02 = 8,069.79/x
  3. Step 3: Cross multiply
    31,443.36x = 47,165.02 × 8,069.79
  4. Step 4: Simplify right side
    31,443.36x = 380,611,963.44
  5. Step 5: Solve for x
    x = 380,611,963.44/31,443.36
  6. Step 6: Final answer
    x = 12,104.69

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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.