Home / 30,759.94-42,448.89-17,331.46

Finding the Fourth Proportional to 30,759.94, 42,448.89 and 17,331.46

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Solution

The fourth proportional to 30,759.94, 42,448.89 and 17,331.46 is: 23,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.94 : 42,448.89 = 17,331.46 : x
  2. Step 2: Convert to fraction form
    30,759.94/42,448.89 = 17,331.46/x
  3. Step 3: Cross multiply
    30,759.94x = 42,448.89 × 17,331.46
  4. Step 4: Simplify right side
    30,759.94x = 735,701,239.08
  5. Step 5: Solve for x
    x = 735,701,239.08/30,759.94
  6. Step 6: Final answer
    x = 23,917.51

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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.