Home / 30,388.25-45,586.94-10,663.34

Finding the Fourth Proportional to 30,388.25, 45,586.94 and 10,663.34

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Solution

The fourth proportional to 30,388.25, 45,586.94 and 10,663.34 is: 15,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.25 : 45,586.94 = 10,663.34 : x
  2. Step 2: Convert to fraction form
    30,388.25/45,586.94 = 10,663.34/x
  3. Step 3: Cross multiply
    30,388.25x = 45,586.94 × 10,663.34
  4. Step 4: Simplify right side
    30,388.25x = 486,108,759.53
  5. Step 5: Solve for x
    x = 486,108,759.53/30,388.25
  6. Step 6: Final answer
    x = 15,996.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.