Home / 30,858.49-42,584.63-16,711.33

Finding the Fourth Proportional to 30,858.49, 42,584.63 and 16,711.33

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Solution

The fourth proportional to 30,858.49, 42,584.63 and 16,711.33 is: 23,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.49 : 42,584.63 = 16,711.33 : x
  2. Step 2: Convert to fraction form
    30,858.49/42,584.63 = 16,711.33/x
  3. Step 3: Cross multiply
    30,858.49x = 42,584.63 × 16,711.33
  4. Step 4: Simplify right side
    30,858.49x = 711,645,804.86
  5. Step 5: Solve for x
    x = 711,645,804.86/30,858.49
  6. Step 6: Final answer
    x = 23,061.59

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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.