Home / 33,127.27-45,700.28-19,690.99

Finding the Fourth Proportional to 33,127.27, 45,700.28 and 19,690.99

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Solution

The fourth proportional to 33,127.27, 45,700.28 and 19,690.99 is: 27,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,127.27 : 45,700.28 = 19,690.99 : x
  2. Step 2: Convert to fraction form
    33,127.27/45,700.28 = 19,690.99/x
  3. Step 3: Cross multiply
    33,127.27x = 45,700.28 × 19,690.99
  4. Step 4: Simplify right side
    33,127.27x = 899,883,658.02
  5. Step 5: Solve for x
    x = 899,883,658.02/33,127.27
  6. Step 6: Final answer
    x = 27,164.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.