Home / 53,882.16-80,823.66-20,155.80

Finding the Fourth Proportional to 53,882.16, 80,823.66 and 20,155.80

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Solution

The fourth proportional to 53,882.16, 80,823.66 and 20,155.80 is: 30,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,882.16 : 80,823.66 = 20,155.80 : x
  2. Step 2: Convert to fraction form
    53,882.16/80,823.66 = 20,155.80/x
  3. Step 3: Cross multiply
    53,882.16x = 80,823.66 × 20,155.80
  4. Step 4: Simplify right side
    53,882.16x = 1,629,065,526.23
  5. Step 5: Solve for x
    x = 1,629,065,526.23/53,882.16
  6. Step 6: Final answer
    x = 30,233.86

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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.