Home / 30,268.51-41,769.90-16,839.47

Finding the Fourth Proportional to 30,268.51, 41,769.90 and 16,839.47

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Solution

The fourth proportional to 30,268.51, 41,769.90 and 16,839.47 is: 23,238.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.51 : 41,769.90 = 16,839.47 : x
  2. Step 2: Convert to fraction form
    30,268.51/41,769.90 = 16,839.47/x
  3. Step 3: Cross multiply
    30,268.51x = 41,769.90 × 16,839.47
  4. Step 4: Simplify right side
    30,268.51x = 703,382,977.95
  5. Step 5: Solve for x
    x = 703,382,977.95/30,268.51
  6. Step 6: Final answer
    x = 23,238.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.