Home / 49,461.32-74,195.39-19,879.17

Finding the Fourth Proportional to 49,461.32, 74,195.39 and 19,879.17

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Solution

The fourth proportional to 49,461.32, 74,195.39 and 19,879.17 is: 29,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,461.32 : 74,195.39 = 19,879.17 : x
  2. Step 2: Convert to fraction form
    49,461.32/74,195.39 = 19,879.17/x
  3. Step 3: Cross multiply
    49,461.32x = 74,195.39 × 19,879.17
  4. Step 4: Simplify right side
    49,461.32x = 1,474,942,671.63
  5. Step 5: Solve for x
    x = 1,474,942,671.63/49,461.32
  6. Step 6: Final answer
    x = 29,820.13

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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.