Home / 30,428.46-45,606.24-15,644.34

Finding the Fourth Proportional to 30,428.46, 45,606.24 and 15,644.34

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Solution

The fourth proportional to 30,428.46, 45,606.24 and 15,644.34 is: 23,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,428.46 : 45,606.24 = 15,644.34 : x
  2. Step 2: Convert to fraction form
    30,428.46/45,606.24 = 15,644.34/x
  3. Step 3: Cross multiply
    30,428.46x = 45,606.24 × 15,644.34
  4. Step 4: Simplify right side
    30,428.46x = 713,479,524.68
  5. Step 5: Solve for x
    x = 713,479,524.68/30,428.46
  6. Step 6: Final answer
    x = 23,447.77

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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.