Home / 53,480.20-80,220.30-36,891.40

Finding the Fourth Proportional to 53,480.20, 80,220.30 and 36,891.40

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Solution

The fourth proportional to 53,480.20, 80,220.30 and 36,891.40 is: 55,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.20 : 80,220.30 = 36,891.40 : x
  2. Step 2: Convert to fraction form
    53,480.20/80,220.30 = 36,891.40/x
  3. Step 3: Cross multiply
    53,480.20x = 80,220.30 × 36,891.40
  4. Step 4: Simplify right side
    53,480.20x = 2,959,439,175.42
  5. Step 5: Solve for x
    x = 2,959,439,175.42/53,480.20
  6. Step 6: Final answer
    x = 55,337.10

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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.