Home / 31,599.68-47,402.24-8,226.16

Finding the Fourth Proportional to 31,599.68, 47,402.24 and 8,226.16

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Solution

The fourth proportional to 31,599.68, 47,402.24 and 8,226.16 is: 12,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.68 : 47,402.24 = 8,226.16 : x
  2. Step 2: Convert to fraction form
    31,599.68/47,402.24 = 8,226.16/x
  3. Step 3: Cross multiply
    31,599.68x = 47,402.24 × 8,226.16
  4. Step 4: Simplify right side
    31,599.68x = 389,938,410.60
  5. Step 5: Solve for x
    x = 389,938,410.60/31,599.68
  6. Step 6: Final answer
    x = 12,339.95

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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.