Home / 38,653.13-57,981.44-10,572.56

Finding the Fourth Proportional to 38,653.13, 57,981.44 and 10,572.56

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Solution

The fourth proportional to 38,653.13, 57,981.44 and 10,572.56 is: 15,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.13 : 57,981.44 = 10,572.56 : x
  2. Step 2: Convert to fraction form
    38,653.13/57,981.44 = 10,572.56/x
  3. Step 3: Cross multiply
    38,653.13x = 57,981.44 × 10,572.56
  4. Step 4: Simplify right side
    38,653.13x = 613,011,910.52
  5. Step 5: Solve for x
    x = 613,011,910.52/38,653.13
  6. Step 6: Final answer
    x = 15,859.31

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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.