Home / 31,616.16-47,410.20-16,821.96

Finding the Fourth Proportional to 31,616.16, 47,410.20 and 16,821.96

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Solution

The fourth proportional to 31,616.16, 47,410.20 and 16,821.96 is: 25,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,616.16 : 47,410.20 = 16,821.96 : x
  2. Step 2: Convert to fraction form
    31,616.16/47,410.20 = 16,821.96/x
  3. Step 3: Cross multiply
    31,616.16x = 47,410.20 × 16,821.96
  4. Step 4: Simplify right side
    31,616.16x = 797,532,487.99
  5. Step 5: Solve for x
    x = 797,532,487.99/31,616.16
  6. Step 6: Final answer
    x = 25,225.47

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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.