Home / 30,244.56-45,327.36-15,440.96

Finding the Fourth Proportional to 30,244.56, 45,327.36 and 15,440.96

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Solution

The fourth proportional to 30,244.56, 45,327.36 and 15,440.96 is: 23,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.56 : 45,327.36 = 15,440.96 : x
  2. Step 2: Convert to fraction form
    30,244.56/45,327.36 = 15,440.96/x
  3. Step 3: Cross multiply
    30,244.56x = 45,327.36 × 15,440.96
  4. Step 4: Simplify right side
    30,244.56x = 699,897,952.67
  5. Step 5: Solve for x
    x = 699,897,952.67/30,244.56
  6. Step 6: Final answer
    x = 23,141.28

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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.