Home / 30,224.40-45,336.60-18,544.20

Finding the Fourth Proportional to 30,224.40, 45,336.60 and 18,544.20

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Solution

The fourth proportional to 30,224.40, 45,336.60 and 18,544.20 is: 27,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.40 : 45,336.60 = 18,544.20 : x
  2. Step 2: Convert to fraction form
    30,224.40/45,336.60 = 18,544.20/x
  3. Step 3: Cross multiply
    30,224.40x = 45,336.60 × 18,544.20
  4. Step 4: Simplify right side
    30,224.40x = 840,730,977.72
  5. Step 5: Solve for x
    x = 840,730,977.72/30,224.40
  6. Step 6: Final answer
    x = 27,816.30

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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.