Home / 34,394.49-51,581.70-13,329.81

Finding the Fourth Proportional to 34,394.49, 51,581.70 and 13,329.81

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Solution

The fourth proportional to 34,394.49, 51,581.70 and 13,329.81 is: 19,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,394.49 : 51,581.70 = 13,329.81 : x
  2. Step 2: Convert to fraction form
    34,394.49/51,581.70 = 13,329.81/x
  3. Step 3: Cross multiply
    34,394.49x = 51,581.70 × 13,329.81
  4. Step 4: Simplify right side
    34,394.49x = 687,574,260.48
  5. Step 5: Solve for x
    x = 687,574,260.48/34,394.49
  6. Step 6: Final answer
    x = 19,990.83

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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.