Home / 20,235.56-30,349.64-5,441.01

Finding the Fourth Proportional to 20,235.56, 30,349.64 and 5,441.01

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Solution

The fourth proportional to 20,235.56, 30,349.64 and 5,441.01 is: 8,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.56 : 30,349.64 = 5,441.01 : x
  2. Step 2: Convert to fraction form
    20,235.56/30,349.64 = 5,441.01/x
  3. Step 3: Cross multiply
    20,235.56x = 30,349.64 × 5,441.01
  4. Step 4: Simplify right side
    20,235.56x = 165,132,667.53
  5. Step 5: Solve for x
    x = 165,132,667.53/20,235.56
  6. Step 6: Final answer
    x = 8,160.52

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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.