Home / 53,995.20-80,990.22-18,932.19

Finding the Fourth Proportional to 53,995.20, 80,990.22 and 18,932.19

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Solution

The fourth proportional to 53,995.20, 80,990.22 and 18,932.19 is: 28,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.20 : 80,990.22 = 18,932.19 : x
  2. Step 2: Convert to fraction form
    53,995.20/80,990.22 = 18,932.19/x
  3. Step 3: Cross multiply
    53,995.20x = 80,990.22 × 18,932.19
  4. Step 4: Simplify right side
    53,995.20x = 1,533,322,233.18
  5. Step 5: Solve for x
    x = 1,533,322,233.18/53,995.20
  6. Step 6: Final answer
    x = 28,397.38

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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.