Home / 35,611.68-49,142.54-19,478.56

Finding the Fourth Proportional to 35,611.68, 49,142.54 and 19,478.56

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Solution

The fourth proportional to 35,611.68, 49,142.54 and 19,478.56 is: 26,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.68 : 49,142.54 = 19,478.56 : x
  2. Step 2: Convert to fraction form
    35,611.68/49,142.54 = 19,478.56/x
  3. Step 3: Cross multiply
    35,611.68x = 49,142.54 × 19,478.56
  4. Step 4: Simplify right side
    35,611.68x = 957,225,913.94
  5. Step 5: Solve for x
    x = 957,225,913.94/35,611.68
  6. Step 6: Final answer
    x = 26,879.55

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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.