Home / 53,955.05-80,939.96-18,406.82

Finding the Fourth Proportional to 53,955.05, 80,939.96 and 18,406.82

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Solution

The fourth proportional to 53,955.05, 80,939.96 and 18,406.82 is: 27,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.05 : 80,939.96 = 18,406.82 : x
  2. Step 2: Convert to fraction form
    53,955.05/80,939.96 = 18,406.82/x
  3. Step 3: Cross multiply
    53,955.05x = 80,939.96 × 18,406.82
  4. Step 4: Simplify right side
    53,955.05x = 1,489,847,482.32
  5. Step 5: Solve for x
    x = 1,489,847,482.32/53,955.05
  6. Step 6: Final answer
    x = 27,612.75

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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.