Home / 27,030.60-40,549.47-8,311.92

Finding the Fourth Proportional to 27,030.60, 40,549.47 and 8,311.92

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Solution

The fourth proportional to 27,030.60, 40,549.47 and 8,311.92 is: 12,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.60 : 40,549.47 = 8,311.92 : x
  2. Step 2: Convert to fraction form
    27,030.60/40,549.47 = 8,311.92/x
  3. Step 3: Cross multiply
    27,030.60x = 40,549.47 × 8,311.92
  4. Step 4: Simplify right side
    27,030.60x = 337,043,950.68
  5. Step 5: Solve for x
    x = 337,043,950.68/27,030.60
  6. Step 6: Final answer
    x = 12,468.98

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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.