Home / 56,940.73-85,462.93-30,309.09

Finding the Fourth Proportional to 56,940.73, 85,462.93 and 30,309.09

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Solution

The fourth proportional to 56,940.73, 85,462.93 and 30,309.09 is: 45,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,940.73 : 85,462.93 = 30,309.09 : x
  2. Step 2: Convert to fraction form
    56,940.73/85,462.93 = 30,309.09/x
  3. Step 3: Cross multiply
    56,940.73x = 85,462.93 × 30,309.09
  4. Step 4: Simplify right side
    56,940.73x = 2,590,303,637.03
  5. Step 5: Solve for x
    x = 2,590,303,637.03/56,940.73
  6. Step 6: Final answer
    x = 45,491.23

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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.