Home / 30,505.20-45,766.44-18,036.24

Finding the Fourth Proportional to 30,505.20, 45,766.44 and 18,036.24

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Solution

The fourth proportional to 30,505.20, 45,766.44 and 18,036.24 is: 27,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.20 : 45,766.44 = 18,036.24 : x
  2. Step 2: Convert to fraction form
    30,505.20/45,766.44 = 18,036.24/x
  3. Step 3: Cross multiply
    30,505.20x = 45,766.44 × 18,036.24
  4. Step 4: Simplify right side
    30,505.20x = 825,454,495.79
  5. Step 5: Solve for x
    x = 825,454,495.79/30,505.20
  6. Step 6: Final answer
    x = 27,059.47

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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.