Home / 30,619.35-42,252.12-18,524.34

Finding the Fourth Proportional to 30,619.35, 42,252.12 and 18,524.34

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Solution

The fourth proportional to 30,619.35, 42,252.12 and 18,524.34 is: 25,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.35 : 42,252.12 = 18,524.34 : x
  2. Step 2: Convert to fraction form
    30,619.35/42,252.12 = 18,524.34/x
  3. Step 3: Cross multiply
    30,619.35x = 42,252.12 × 18,524.34
  4. Step 4: Simplify right side
    30,619.35x = 782,692,636.60
  5. Step 5: Solve for x
    x = 782,692,636.60/30,619.35
  6. Step 6: Final answer
    x = 25,562.03

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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.