Home / 53,018.64-79,555.20-29,321.82

Finding the Fourth Proportional to 53,018.64, 79,555.20 and 29,321.82

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Solution

The fourth proportional to 53,018.64, 79,555.20 and 29,321.82 is: 43,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.64 : 79,555.20 = 29,321.82 : x
  2. Step 2: Convert to fraction form
    53,018.64/79,555.20 = 29,321.82/x
  3. Step 3: Cross multiply
    53,018.64x = 79,555.20 × 29,321.82
  4. Step 4: Simplify right side
    53,018.64x = 2,332,703,254.46
  5. Step 5: Solve for x
    x = 2,332,703,254.46/53,018.64
  6. Step 6: Final answer
    x = 43,997.80

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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.