Home / 30,588.51-42,212.34-17,850.54

Finding the Fourth Proportional to 30,588.51, 42,212.34 and 17,850.54

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Solution

The fourth proportional to 30,588.51, 42,212.34 and 17,850.54 is: 24,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.51 : 42,212.34 = 17,850.54 : x
  2. Step 2: Convert to fraction form
    30,588.51/42,212.34 = 17,850.54/x
  3. Step 3: Cross multiply
    30,588.51x = 42,212.34 × 17,850.54
  4. Step 4: Simplify right side
    30,588.51x = 753,513,063.66
  5. Step 5: Solve for x
    x = 753,513,063.66/30,588.51
  6. Step 6: Final answer
    x = 24,633.86

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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.