Home / 50,709.70-76,068.64-17,429.78

Finding the Fourth Proportional to 50,709.70, 76,068.64 and 17,429.78

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Solution

The fourth proportional to 50,709.70, 76,068.64 and 17,429.78 is: 26,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,709.70 : 76,068.64 = 17,429.78 : x
  2. Step 2: Convert to fraction form
    50,709.70/76,068.64 = 17,429.78/x
  3. Step 3: Cross multiply
    50,709.70x = 76,068.64 × 17,429.78
  4. Step 4: Simplify right side
    50,709.70x = 1,325,859,921.08
  5. Step 5: Solve for x
    x = 1,325,859,921.08/50,709.70
  6. Step 6: Final answer
    x = 26,146.08

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1.5x scale

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.