Home / 30,404.20-45,606.30-17,962.60

Finding the Fourth Proportional to 30,404.20, 45,606.30 and 17,962.60

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Solution

The fourth proportional to 30,404.20, 45,606.30 and 17,962.60 is: 26,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.20 : 45,606.30 = 17,962.60 : x
  2. Step 2: Convert to fraction form
    30,404.20/45,606.30 = 17,962.60/x
  3. Step 3: Cross multiply
    30,404.20x = 45,606.30 × 17,962.60
  4. Step 4: Simplify right side
    30,404.20x = 819,207,724.38
  5. Step 5: Solve for x
    x = 819,207,724.38/30,404.20
  6. Step 6: Final answer
    x = 26,943.90

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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.