Home / 21,134.92-31,704.18-5,552.50

Finding the Fourth Proportional to 21,134.92, 31,704.18 and 5,552.50

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Solution

The fourth proportional to 21,134.92, 31,704.18 and 5,552.50 is: 8,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.92 : 31,704.18 = 5,552.50 : x
  2. Step 2: Convert to fraction form
    21,134.92/31,704.18 = 5,552.50/x
  3. Step 3: Cross multiply
    21,134.92x = 31,704.18 × 5,552.50
  4. Step 4: Simplify right side
    21,134.92x = 176,037,459.45
  5. Step 5: Solve for x
    x = 176,037,459.45/21,134.92
  6. Step 6: Final answer
    x = 8,329.22

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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.