Home / 31,620.24-47,427.12-8,244.72

Finding the Fourth Proportional to 31,620.24, 47,427.12 and 8,244.72

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Solution

The fourth proportional to 31,620.24, 47,427.12 and 8,244.72 is: 12,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,620.24 : 47,427.12 = 8,244.72 : x
  2. Step 2: Convert to fraction form
    31,620.24/47,427.12 = 8,244.72/x
  3. Step 3: Cross multiply
    31,620.24x = 47,427.12 × 8,244.72
  4. Step 4: Simplify right side
    31,620.24x = 391,023,324.81
  5. Step 5: Solve for x
    x = 391,023,324.81/31,620.24
  6. Step 6: Final answer
    x = 12,366.24

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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.