Home / 29,876.64-41,185.56-19,120.38

Finding the Fourth Proportional to 29,876.64, 41,185.56 and 19,120.38

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Solution

The fourth proportional to 29,876.64, 41,185.56 and 19,120.38 is: 26,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.64 : 41,185.56 = 19,120.38 : x
  2. Step 2: Convert to fraction form
    29,876.64/41,185.56 = 19,120.38/x
  3. Step 3: Cross multiply
    29,876.64x = 41,185.56 × 19,120.38
  4. Step 4: Simplify right side
    29,876.64x = 787,483,557.71
  5. Step 5: Solve for x
    x = 787,483,557.71/29,876.64
  6. Step 6: Final answer
    x = 26,357.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.