Home / 34,318.71-51,480.12-13,262.00

Finding the Fourth Proportional to 34,318.71, 51,480.12 and 13,262.00

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Solution

The fourth proportional to 34,318.71, 51,480.12 and 13,262.00 is: 19,893.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,318.71 : 51,480.12 = 13,262.00 : x
  2. Step 2: Convert to fraction form
    34,318.71/51,480.12 = 13,262.00/x
  3. Step 3: Cross multiply
    34,318.71x = 51,480.12 × 13,262.00
  4. Step 4: Simplify right side
    34,318.71x = 682,729,094.04
  5. Step 5: Solve for x
    x = 682,729,094.04/34,318.71
  6. Step 6: Final answer
    x = 19,893.79

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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.