Home / 55,012.45-75,911.93-43,709.31

Finding the Fourth Proportional to 55,012.45, 75,911.93 and 43,709.31

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Solution

The fourth proportional to 55,012.45, 75,911.93 and 43,709.31 is: 60,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012.45 : 75,911.93 = 43,709.31 : x
  2. Step 2: Convert to fraction form
    55,012.45/75,911.93 = 43,709.31/x
  3. Step 3: Cross multiply
    55,012.45x = 75,911.93 × 43,709.31
  4. Step 4: Simplify right side
    55,012.45x = 3,318,058,081.07
  5. Step 5: Solve for x
    x = 3,318,058,081.07/55,012.45
  6. Step 6: Final answer
    x = 60,314.68

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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.