Home / 37,215.06-51,356.70-21,299.82

Finding the Fourth Proportional to 37,215.06, 51,356.70 and 21,299.82

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Solution

The fourth proportional to 37,215.06, 51,356.70 and 21,299.82 is: 29,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.06 : 51,356.70 = 21,299.82 : x
  2. Step 2: Convert to fraction form
    37,215.06/51,356.70 = 21,299.82/x
  3. Step 3: Cross multiply
    37,215.06x = 51,356.70 × 21,299.82
  4. Step 4: Simplify right side
    37,215.06x = 1,093,888,465.79
  5. Step 5: Solve for x
    x = 1,093,888,465.79/37,215.06
  6. Step 6: Final answer
    x = 29,393.70

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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.