Home / 53,290.77-73,537.28-30,629.82

Finding the Fourth Proportional to 53,290.77, 73,537.28 and 30,629.82

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Solution

The fourth proportional to 53,290.77, 73,537.28 and 30,629.82 is: 42,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.77 : 73,537.28 = 30,629.82 : x
  2. Step 2: Convert to fraction form
    53,290.77/73,537.28 = 30,629.82/x
  3. Step 3: Cross multiply
    53,290.77x = 73,537.28 × 30,629.82
  4. Step 4: Simplify right side
    53,290.77x = 2,252,433,496.54
  5. Step 5: Solve for x
    x = 2,252,433,496.54/53,290.77
  6. Step 6: Final answer
    x = 42,266.86

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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.