Home / 31,002.23-46,480.45-9,930.08

Finding the Fourth Proportional to 31,002.23, 46,480.45 and 9,930.08

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Solution

The fourth proportional to 31,002.23, 46,480.45 and 9,930.08 is: 14,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,002.23 : 46,480.45 = 9,930.08 : x
  2. Step 2: Convert to fraction form
    31,002.23/46,480.45 = 9,930.08/x
  3. Step 3: Cross multiply
    31,002.23x = 46,480.45 × 9,930.08
  4. Step 4: Simplify right side
    31,002.23x = 461,554,435.48
  5. Step 5: Solve for x
    x = 461,554,435.48/31,002.23
  6. Step 6: Final answer
    x = 14,887.78

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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.