Home / 30,566.12-45,853.02-9,791.72

Finding the Fourth Proportional to 30,566.12, 45,853.02 and 9,791.72

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Solution

The fourth proportional to 30,566.12, 45,853.02 and 9,791.72 is: 14,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.12 : 45,853.02 = 9,791.72 : x
  2. Step 2: Convert to fraction form
    30,566.12/45,853.02 = 9,791.72/x
  3. Step 3: Cross multiply
    30,566.12x = 45,853.02 × 9,791.72
  4. Step 4: Simplify right side
    30,566.12x = 448,979,932.99
  5. Step 5: Solve for x
    x = 448,979,932.99/30,566.12
  6. Step 6: Final answer
    x = 14,688.81

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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.