Home / 20,538.42-30,807.62-4,956.04

Finding the Fourth Proportional to 20,538.42, 30,807.62 and 4,956.04

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Solution

The fourth proportional to 20,538.42, 30,807.62 and 4,956.04 is: 7,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538.42 : 30,807.62 = 4,956.04 : x
  2. Step 2: Convert to fraction form
    20,538.42/30,807.62 = 4,956.04/x
  3. Step 3: Cross multiply
    20,538.42x = 30,807.62 × 4,956.04
  4. Step 4: Simplify right side
    20,538.42x = 152,683,797.02
  5. Step 5: Solve for x
    x = 152,683,797.02/20,538.42
  6. Step 6: Final answer
    x = 7,434.06

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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.