Home / 31,446.15-47,155.38-16,651.62

Finding the Fourth Proportional to 31,446.15, 47,155.38 and 16,651.62

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Solution

The fourth proportional to 31,446.15, 47,155.38 and 16,651.62 is: 24,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.15 : 47,155.38 = 16,651.62 : x
  2. Step 2: Convert to fraction form
    31,446.15/47,155.38 = 16,651.62/x
  3. Step 3: Cross multiply
    31,446.15x = 47,155.38 × 16,651.62
  4. Step 4: Simplify right side
    31,446.15x = 785,213,468.72
  5. Step 5: Solve for x
    x = 785,213,468.72/31,446.15
  6. Step 6: Final answer
    x = 24,970.10

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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.