Home / 35,619.92-53,429.78-10,659.96

Finding the Fourth Proportional to 35,619.92, 53,429.78 and 10,659.96

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Solution

The fourth proportional to 35,619.92, 53,429.78 and 10,659.96 is: 15,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.92 : 53,429.78 = 10,659.96 : x
  2. Step 2: Convert to fraction form
    35,619.92/53,429.78 = 10,659.96/x
  3. Step 3: Cross multiply
    35,619.92x = 53,429.78 × 10,659.96
  4. Step 4: Simplify right side
    35,619.92x = 569,559,317.61
  5. Step 5: Solve for x
    x = 569,559,317.61/35,619.92
  6. Step 6: Final answer
    x = 15,989.91

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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.