Home / 47,553.06-65,618.64-28,429.02

Finding the Fourth Proportional to 47,553.06, 65,618.64 and 28,429.02

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Solution

The fourth proportional to 47,553.06, 65,618.64 and 28,429.02 is: 39,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,553.06 : 65,618.64 = 28,429.02 : x
  2. Step 2: Convert to fraction form
    47,553.06/65,618.64 = 28,429.02/x
  3. Step 3: Cross multiply
    47,553.06x = 65,618.64 × 28,429.02
  4. Step 4: Simplify right side
    47,553.06x = 1,865,473,628.93
  5. Step 5: Solve for x
    x = 1,865,473,628.93/47,553.06
  6. Step 6: Final answer
    x = 39,229.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.