Home / 38,643.63-57,956.13-10,563.81

Finding the Fourth Proportional to 38,643.63, 57,956.13 and 10,563.81

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Solution

The fourth proportional to 38,643.63, 57,956.13 and 10,563.81 is: 15,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643.63 : 57,956.13 = 10,563.81 : x
  2. Step 2: Convert to fraction form
    38,643.63/57,956.13 = 10,563.81/x
  3. Step 3: Cross multiply
    38,643.63x = 57,956.13 × 10,563.81
  4. Step 4: Simplify right side
    38,643.63x = 612,237,545.66
  5. Step 5: Solve for x
    x = 612,237,545.66/38,643.63
  6. Step 6: Final answer
    x = 15,843.17

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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.