Home / 34,133.19-51,159.55-15,391.28

Finding the Fourth Proportional to 34,133.19, 51,159.55 and 15,391.28

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Solution

The fourth proportional to 34,133.19, 51,159.55 and 15,391.28 is: 23,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,133.19 : 51,159.55 = 15,391.28 : x
  2. Step 2: Convert to fraction form
    34,133.19/51,159.55 = 15,391.28/x
  3. Step 3: Cross multiply
    34,133.19x = 51,159.55 × 15,391.28
  4. Step 4: Simplify right side
    34,133.19x = 787,410,914.01
  5. Step 5: Solve for x
    x = 787,410,914.01/34,133.19
  6. Step 6: Final answer
    x = 23,068.78

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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.