Home / 33,116.80-49,675.20-30,103.60

Finding the Fourth Proportional to 33,116.80, 49,675.20 and 30,103.60

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Solution

The fourth proportional to 33,116.80, 49,675.20 and 30,103.60 is: 45,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,116.80 : 49,675.20 = 30,103.60 : x
  2. Step 2: Convert to fraction form
    33,116.80/49,675.20 = 30,103.60/x
  3. Step 3: Cross multiply
    33,116.80x = 49,675.20 × 30,103.60
  4. Step 4: Simplify right side
    33,116.80x = 1,495,402,350.72
  5. Step 5: Solve for x
    x = 1,495,402,350.72/33,116.80
  6. Step 6: Final answer
    x = 45,155.40

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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.