Home / 38,135.07-57,218.31-16,776.81

Finding the Fourth Proportional to 38,135.07, 57,218.31 and 16,776.81

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Solution

The fourth proportional to 38,135.07, 57,218.31 and 16,776.81 is: 25,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.07 : 57,218.31 = 16,776.81 : x
  2. Step 2: Convert to fraction form
    38,135.07/57,218.31 = 16,776.81/x
  3. Step 3: Cross multiply
    38,135.07x = 57,218.31 × 16,776.81
  4. Step 4: Simplify right side
    38,135.07x = 959,940,715.39
  5. Step 5: Solve for x
    x = 959,940,715.39/38,135.07
  6. Step 6: Final answer
    x = 25,172.12

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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.