Home / 53,018.91-79,508.88-15,569.37

Finding the Fourth Proportional to 53,018.91, 79,508.88 and 15,569.37

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Solution

The fourth proportional to 53,018.91, 79,508.88 and 15,569.37 is: 23,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.91 : 79,508.88 = 15,569.37 : x
  2. Step 2: Convert to fraction form
    53,018.91/79,508.88 = 15,569.37/x
  3. Step 3: Cross multiply
    53,018.91x = 79,508.88 × 15,569.37
  4. Step 4: Simplify right side
    53,018.91x = 1,237,903,171.01
  5. Step 5: Solve for x
    x = 1,237,903,171.01/53,018.91
  6. Step 6: Final answer
    x = 23,348.33

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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.