Home / 38,457.53-57,686.05-20,696.56

Finding the Fourth Proportional to 38,457.53, 57,686.05 and 20,696.56

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Solution

The fourth proportional to 38,457.53, 57,686.05 and 20,696.56 is: 31,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,457.53 : 57,686.05 = 20,696.56 : x
  2. Step 2: Convert to fraction form
    38,457.53/57,686.05 = 20,696.56/x
  3. Step 3: Cross multiply
    38,457.53x = 57,686.05 × 20,696.56
  4. Step 4: Simplify right side
    38,457.53x = 1,193,902,794.99
  5. Step 5: Solve for x
    x = 1,193,902,794.99/38,457.53
  6. Step 6: Final answer
    x = 31,044.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.