Home / 30,266.40-45,404.24-8,081.52

Finding the Fourth Proportional to 30,266.40, 45,404.24 and 8,081.52

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Solution

The fourth proportional to 30,266.40, 45,404.24 and 8,081.52 is: 12,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.40 : 45,404.24 = 8,081.52 : x
  2. Step 2: Convert to fraction form
    30,266.40/45,404.24 = 8,081.52/x
  3. Step 3: Cross multiply
    30,266.40x = 45,404.24 × 8,081.52
  4. Step 4: Simplify right side
    30,266.40x = 366,935,273.64
  5. Step 5: Solve for x
    x = 366,935,273.64/30,266.40
  6. Step 6: Final answer
    x = 12,123.52

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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.