Home / 30,793.04-45,871.78-28,880.72

Finding the Fourth Proportional to 30,793.04, 45,871.78 and 28,880.72

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Solution

The fourth proportional to 30,793.04, 45,871.78 and 28,880.72 is: 43,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,793.04 : 45,871.78 = 28,880.72 : x
  2. Step 2: Convert to fraction form
    30,793.04/45,871.78 = 28,880.72/x
  3. Step 3: Cross multiply
    30,793.04x = 45,871.78 × 28,880.72
  4. Step 4: Simplify right side
    30,793.04x = 1,324,810,034.08
  5. Step 5: Solve for x
    x = 1,324,810,034.08/30,793.04
  6. Step 6: Final answer
    x = 43,023.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.