Home / 37,039.82-51,117.93-21,125.48

Finding the Fourth Proportional to 37,039.82, 51,117.93 and 21,125.48

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Solution

The fourth proportional to 37,039.82, 51,117.93 and 21,125.48 is: 29,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.82 : 51,117.93 = 21,125.48 : x
  2. Step 2: Convert to fraction form
    37,039.82/51,117.93 = 21,125.48/x
  3. Step 3: Cross multiply
    37,039.82x = 51,117.93 × 21,125.48
  4. Step 4: Simplify right side
    37,039.82x = 1,079,890,552.27
  5. Step 5: Solve for x
    x = 1,079,890,552.27/37,039.82
  6. Step 6: Final answer
    x = 29,154.86

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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.