Home / 32,205.80-48,286.20-19,051.40

Finding the Fourth Proportional to 32,205.80, 48,286.20 and 19,051.40

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Solution

The fourth proportional to 32,205.80, 48,286.20 and 19,051.40 is: 28,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,205.80 : 48,286.20 = 19,051.40 : x
  2. Step 2: Convert to fraction form
    32,205.80/48,286.20 = 19,051.40/x
  3. Step 3: Cross multiply
    32,205.80x = 48,286.20 × 19,051.40
  4. Step 4: Simplify right side
    32,205.80x = 919,919,710.68
  5. Step 5: Solve for x
    x = 919,919,710.68/32,205.80
  6. Step 6: Final answer
    x = 28,563.79

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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.