Home / 30,231.95-41,713.65-16,800.39

Finding the Fourth Proportional to 30,231.95, 41,713.65 and 16,800.39

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Solution

The fourth proportional to 30,231.95, 41,713.65 and 16,800.39 is: 23,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.95 : 41,713.65 = 16,800.39 : x
  2. Step 2: Convert to fraction form
    30,231.95/41,713.65 = 16,800.39/x
  3. Step 3: Cross multiply
    30,231.95x = 41,713.65 × 16,800.39
  4. Step 4: Simplify right side
    30,231.95x = 700,805,588.32
  5. Step 5: Solve for x
    x = 700,805,588.32/30,231.95
  6. Step 6: Final answer
    x = 23,180.96

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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.