Home / 37,173.09-51,301.92-21,260.61

Finding the Fourth Proportional to 37,173.09, 51,301.92 and 21,260.61

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Solution

The fourth proportional to 37,173.09, 51,301.92 and 21,260.61 is: 29,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,173.09 : 51,301.92 = 21,260.61 : x
  2. Step 2: Convert to fraction form
    37,173.09/51,301.92 = 21,260.61/x
  3. Step 3: Cross multiply
    37,173.09x = 51,301.92 × 21,260.61
  4. Step 4: Simplify right side
    37,173.09x = 1,090,710,113.37
  5. Step 5: Solve for x
    x = 1,090,710,113.37/37,173.09
  6. Step 6: Final answer
    x = 29,341.39

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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.