Home / 37,929.89-52,343.24-21,162.89

Finding the Fourth Proportional to 37,929.89, 52,343.24 and 21,162.89

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Solution

The fourth proportional to 37,929.89, 52,343.24 and 21,162.89 is: 29,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,929.89 : 52,343.24 = 21,162.89 : x
  2. Step 2: Convert to fraction form
    37,929.89/52,343.24 = 21,162.89/x
  3. Step 3: Cross multiply
    37,929.89x = 52,343.24 × 21,162.89
  4. Step 4: Simplify right side
    37,929.89x = 1,107,733,862.83
  5. Step 5: Solve for x
    x = 1,107,733,862.83/37,929.89
  6. Step 6: Final answer
    x = 29,204.78

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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.