Home / 40,122.80-60,184.20-19,348.40

Finding the Fourth Proportional to 40,122.80, 60,184.20 and 19,348.40

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Solution

The fourth proportional to 40,122.80, 60,184.20 and 19,348.40 is: 29,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.80 : 60,184.20 = 19,348.40 : x
  2. Step 2: Convert to fraction form
    40,122.80/60,184.20 = 19,348.40/x
  3. Step 3: Cross multiply
    40,122.80x = 60,184.20 × 19,348.40
  4. Step 4: Simplify right side
    40,122.80x = 1,164,467,975.28
  5. Step 5: Solve for x
    x = 1,164,467,975.28/40,122.80
  6. Step 6: Final answer
    x = 29,022.60

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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.