Home / 56,283.19-84,436.08-20,744.69

Finding the Fourth Proportional to 56,283.19, 84,436.08 and 20,744.69

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Solution

The fourth proportional to 56,283.19, 84,436.08 and 20,744.69 is: 31,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.19 : 84,436.08 = 20,744.69 : x
  2. Step 2: Convert to fraction form
    56,283.19/84,436.08 = 20,744.69/x
  3. Step 3: Cross multiply
    56,283.19x = 84,436.08 × 20,744.69
  4. Step 4: Simplify right side
    56,283.19x = 1,751,599,804.44
  5. Step 5: Solve for x
    x = 1,751,599,804.44/56,283.19
  6. Step 6: Final answer
    x = 31,121.19

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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.