Home / 31,221.28-46,834.96-9,034.16

Finding the Fourth Proportional to 31,221.28, 46,834.96 and 9,034.16

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Solution

The fourth proportional to 31,221.28, 46,834.96 and 9,034.16 is: 13,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.28 : 46,834.96 = 9,034.16 : x
  2. Step 2: Convert to fraction form
    31,221.28/46,834.96 = 9,034.16/x
  3. Step 3: Cross multiply
    31,221.28x = 46,834.96 × 9,034.16
  4. Step 4: Simplify right side
    31,221.28x = 423,114,522.23
  5. Step 5: Solve for x
    x = 423,114,522.23/31,221.28
  6. Step 6: Final answer
    x = 13,552.12

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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.