Home / 29,707.75-40,996.70-17,139.79

Finding the Fourth Proportional to 29,707.75, 40,996.70 and 17,139.79

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Solution

The fourth proportional to 29,707.75, 40,996.70 and 17,139.79 is: 23,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.75 : 40,996.70 = 17,139.79 : x
  2. Step 2: Convert to fraction form
    29,707.75/40,996.70 = 17,139.79/x
  3. Step 3: Cross multiply
    29,707.75x = 40,996.70 × 17,139.79
  4. Step 4: Simplify right side
    29,707.75x = 702,674,828.69
  5. Step 5: Solve for x
    x = 702,674,828.69/29,707.75
  6. Step 6: Final answer
    x = 23,652.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.