Home / 30,664.74-42,317.46-17,236.56

Finding the Fourth Proportional to 30,664.74, 42,317.46 and 17,236.56

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Solution

The fourth proportional to 30,664.74, 42,317.46 and 17,236.56 is: 23,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.74 : 42,317.46 = 17,236.56 : x
  2. Step 2: Convert to fraction form
    30,664.74/42,317.46 = 17,236.56/x
  3. Step 3: Cross multiply
    30,664.74x = 42,317.46 × 17,236.56
  4. Step 4: Simplify right side
    30,664.74x = 729,407,438.34
  5. Step 5: Solve for x
    x = 729,407,438.34/30,664.74
  6. Step 6: Final answer
    x = 23,786.52

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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.