Home / 31,702.01-47,555.71-8,328.38

Finding the Fourth Proportional to 31,702.01, 47,555.71 and 8,328.38

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Solution

The fourth proportional to 31,702.01, 47,555.71 and 8,328.38 is: 12,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.01 : 47,555.71 = 8,328.38 : x
  2. Step 2: Convert to fraction form
    31,702.01/47,555.71 = 8,328.38/x
  3. Step 3: Cross multiply
    31,702.01x = 47,555.71 × 8,328.38
  4. Step 4: Simplify right side
    31,702.01x = 396,061,765.45
  5. Step 5: Solve for x
    x = 396,061,765.45/31,702.01
  6. Step 6: Final answer
    x = 12,493.27

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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.