Home / 33,520.80-50,281.20-10,148.40

Finding the Fourth Proportional to 33,520.80, 50,281.20 and 10,148.40

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Solution

The fourth proportional to 33,520.80, 50,281.20 and 10,148.40 is: 15,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,520.80 : 50,281.20 = 10,148.40 : x
  2. Step 2: Convert to fraction form
    33,520.80/50,281.20 = 10,148.40/x
  3. Step 3: Cross multiply
    33,520.80x = 50,281.20 × 10,148.40
  4. Step 4: Simplify right side
    33,520.80x = 510,273,730.08
  5. Step 5: Solve for x
    x = 510,273,730.08/33,520.80
  6. Step 6: Final answer
    x = 15,222.60

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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.