Home / 55,710.09-83,563.92-13,590.54

Finding the Fourth Proportional to 55,710.09, 83,563.92 and 13,590.54

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Solution

The fourth proportional to 55,710.09, 83,563.92 and 13,590.54 is: 20,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,710.09 : 83,563.92 = 13,590.54 : x
  2. Step 2: Convert to fraction form
    55,710.09/83,563.92 = 13,590.54/x
  3. Step 3: Cross multiply
    55,710.09x = 83,563.92 × 13,590.54
  4. Step 4: Simplify right side
    55,710.09x = 1,135,678,797.32
  5. Step 5: Solve for x
    x = 1,135,678,797.32/55,710.09
  6. Step 6: Final answer
    x = 20,385.51

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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.