Home / 30,276.40-45,414.60-9,497.20

Finding the Fourth Proportional to 30,276.40, 45,414.60 and 9,497.20

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Solution

The fourth proportional to 30,276.40, 45,414.60 and 9,497.20 is: 14,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.40 : 45,414.60 = 9,497.20 : x
  2. Step 2: Convert to fraction form
    30,276.40/45,414.60 = 9,497.20/x
  3. Step 3: Cross multiply
    30,276.40x = 45,414.60 × 9,497.20
  4. Step 4: Simplify right side
    30,276.40x = 431,311,539.12
  5. Step 5: Solve for x
    x = 431,311,539.12/30,276.40
  6. Step 6: Final answer
    x = 14,245.80

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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.