Home / 35,537.56-53,319.30-20,743.72

Finding the Fourth Proportional to 35,537.56, 53,319.30 and 20,743.72

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Solution

The fourth proportional to 35,537.56, 53,319.30 and 20,743.72 is: 31,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,537.56 : 53,319.30 = 20,743.72 : x
  2. Step 2: Convert to fraction form
    35,537.56/53,319.30 = 20,743.72/x
  3. Step 3: Cross multiply
    35,537.56x = 53,319.30 × 20,743.72
  4. Step 4: Simplify right side
    35,537.56x = 1,106,040,629.80
  5. Step 5: Solve for x
    x = 1,106,040,629.80/35,537.56
  6. Step 6: Final answer
    x = 31,123.14

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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.