Home / 30,298.40-45,458.92-13,653.44

Finding the Fourth Proportional to 30,298.40, 45,458.92 and 13,653.44

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Solution

The fourth proportional to 30,298.40, 45,458.92 and 13,653.44 is: 20,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.40 : 45,458.92 = 13,653.44 : x
  2. Step 2: Convert to fraction form
    30,298.40/45,458.92 = 13,653.44/x
  3. Step 3: Cross multiply
    30,298.40x = 45,458.92 × 13,653.44
  4. Step 4: Simplify right side
    30,298.40x = 620,670,636.68
  5. Step 5: Solve for x
    x = 620,670,636.68/30,298.40
  6. Step 6: Final answer
    x = 20,485.26

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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.