Home / 58,566.78-80,822.12-31,709.26

Finding the Fourth Proportional to 58,566.78, 80,822.12 and 31,709.26

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Solution

The fourth proportional to 58,566.78, 80,822.12 and 31,709.26 is: 43,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,566.78 : 80,822.12 = 31,709.26 : x
  2. Step 2: Convert to fraction form
    58,566.78/80,822.12 = 31,709.26/x
  3. Step 3: Cross multiply
    58,566.78x = 80,822.12 × 31,709.26
  4. Step 4: Simplify right side
    58,566.78x = 2,562,809,616.83
  5. Step 5: Solve for x
    x = 2,562,809,616.83/58,566.78
  6. Step 6: Final answer
    x = 43,758.76

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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.