Home / 40,197.60-60,280.94-19,121.40

Finding the Fourth Proportional to 40,197.60, 60,280.94 and 19,121.40

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Solution

The fourth proportional to 40,197.60, 60,280.94 and 19,121.40 is: 28,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,197.60 : 60,280.94 = 19,121.40 : x
  2. Step 2: Convert to fraction form
    40,197.60/60,280.94 = 19,121.40/x
  3. Step 3: Cross multiply
    40,197.60x = 60,280.94 × 19,121.40
  4. Step 4: Simplify right side
    40,197.60x = 1,152,656,013.92
  5. Step 5: Solve for x
    x = 1,152,656,013.92/40,197.60
  6. Step 6: Final answer
    x = 28,674.75

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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.