Home / 53,880.07-80,824.97-20,600.42

Finding the Fourth Proportional to 53,880.07, 80,824.97 and 20,600.42

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Solution

The fourth proportional to 53,880.07, 80,824.97 and 20,600.42 is: 30,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.07 : 80,824.97 = 20,600.42 : x
  2. Step 2: Convert to fraction form
    53,880.07/80,824.97 = 20,600.42/x
  3. Step 3: Cross multiply
    53,880.07x = 80,824.97 × 20,600.42
  4. Step 4: Simplify right side
    53,880.07x = 1,665,028,614.24
  5. Step 5: Solve for x
    x = 1,665,028,614.24/53,880.07
  6. Step 6: Final answer
    x = 30,902.50

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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.