Home / 27,300.20-40,950.30-9,770.60

Finding the Fourth Proportional to 27,300.20, 40,950.30 and 9,770.60

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Solution

The fourth proportional to 27,300.20, 40,950.30 and 9,770.60 is: 14,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.20 : 40,950.30 = 9,770.60 : x
  2. Step 2: Convert to fraction form
    27,300.20/40,950.30 = 9,770.60/x
  3. Step 3: Cross multiply
    27,300.20x = 40,950.30 × 9,770.60
  4. Step 4: Simplify right side
    27,300.20x = 400,109,001.18
  5. Step 5: Solve for x
    x = 400,109,001.18/27,300.20
  6. Step 6: Final answer
    x = 14,655.90

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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.