Home / 54,935.80-82,403.70-17,999.80

Finding the Fourth Proportional to 54,935.80, 82,403.70 and 17,999.80

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Solution

The fourth proportional to 54,935.80, 82,403.70 and 17,999.80 is: 26,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.80 : 82,403.70 = 17,999.80 : x
  2. Step 2: Convert to fraction form
    54,935.80/82,403.70 = 17,999.80/x
  3. Step 3: Cross multiply
    54,935.80x = 82,403.70 × 17,999.80
  4. Step 4: Simplify right side
    54,935.80x = 1,483,250,119.26
  5. Step 5: Solve for x
    x = 1,483,250,119.26/54,935.80
  6. Step 6: Final answer
    x = 26,999.70

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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.