Home / 34,148.15-47,120.99-19,039.38

Finding the Fourth Proportional to 34,148.15, 47,120.99 and 19,039.38

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Solution

The fourth proportional to 34,148.15, 47,120.99 and 19,039.38 is: 26,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.15 : 47,120.99 = 19,039.38 : x
  2. Step 2: Convert to fraction form
    34,148.15/47,120.99 = 19,039.38/x
  3. Step 3: Cross multiply
    34,148.15x = 47,120.99 × 19,039.38
  4. Step 4: Simplify right side
    34,148.15x = 897,154,339.39
  5. Step 5: Solve for x
    x = 897,154,339.39/34,148.15
  6. Step 6: Final answer
    x = 26,272.42

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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.