Home / 49,569.26-74,328.37-19,979.15

Finding the Fourth Proportional to 49,569.26, 74,328.37 and 19,979.15

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Solution

The fourth proportional to 49,569.26, 74,328.37 and 19,979.15 is: 29,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,569.26 : 74,328.37 = 19,979.15 : x
  2. Step 2: Convert to fraction form
    49,569.26/74,328.37 = 19,979.15/x
  3. Step 3: Cross multiply
    49,569.26x = 74,328.37 × 19,979.15
  4. Step 4: Simplify right side
    49,569.26x = 1,485,017,231.90
  5. Step 5: Solve for x
    x = 1,485,017,231.90/49,569.26
  6. Step 6: Final answer
    x = 29,958.43

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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.