Home / 55,424.76-83,137.14-20,349.24

Finding the Fourth Proportional to 55,424.76, 83,137.14 and 20,349.24

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Solution

The fourth proportional to 55,424.76, 83,137.14 and 20,349.24 is: 30,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,424.76 : 83,137.14 = 20,349.24 : x
  2. Step 2: Convert to fraction form
    55,424.76/83,137.14 = 20,349.24/x
  3. Step 3: Cross multiply
    55,424.76x = 83,137.14 × 20,349.24
  4. Step 4: Simplify right side
    55,424.76x = 1,691,777,614.77
  5. Step 5: Solve for x
    x = 1,691,777,614.77/55,424.76
  6. Step 6: Final answer
    x = 30,523.86

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1.5x scale

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.