Home / 30,857.49-42,583.25-16,710.33

Finding the Fourth Proportional to 30,857.49, 42,583.25 and 16,710.33

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Solution

The fourth proportional to 30,857.49, 42,583.25 and 16,710.33 is: 23,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.49 : 42,583.25 = 16,710.33 : x
  2. Step 2: Convert to fraction form
    30,857.49/42,583.25 = 16,710.33/x
  3. Step 3: Cross multiply
    30,857.49x = 42,583.25 × 16,710.33
  4. Step 4: Simplify right side
    30,857.49x = 711,580,201.75
  5. Step 5: Solve for x
    x = 711,580,201.75/30,857.49
  6. Step 6: Final answer
    x = 23,060.21

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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.