Home / 30,073.09-41,499.59-16,643.09

Finding the Fourth Proportional to 30,073.09, 41,499.59 and 16,643.09

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Solution

The fourth proportional to 30,073.09, 41,499.59 and 16,643.09 is: 22,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.09 : 41,499.59 = 16,643.09 : x
  2. Step 2: Convert to fraction form
    30,073.09/41,499.59 = 16,643.09/x
  3. Step 3: Cross multiply
    30,073.09x = 41,499.59 × 16,643.09
  4. Step 4: Simplify right side
    30,073.09x = 690,681,120.62
  5. Step 5: Solve for x
    x = 690,681,120.62/30,073.09
  6. Step 6: Final answer
    x = 22,966.75

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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.