Home / 34,949.12-52,423.56-14,172.56

Finding the Fourth Proportional to 34,949.12, 52,423.56 and 14,172.56

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Solution

The fourth proportional to 34,949.12, 52,423.56 and 14,172.56 is: 21,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,949.12 : 52,423.56 = 14,172.56 : x
  2. Step 2: Convert to fraction form
    34,949.12/52,423.56 = 14,172.56/x
  3. Step 3: Cross multiply
    34,949.12x = 52,423.56 × 14,172.56
  4. Step 4: Simplify right side
    34,949.12x = 742,976,049.51
  5. Step 5: Solve for x
    x = 742,976,049.51/34,949.12
  6. Step 6: Final answer
    x = 21,258.79

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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.