Home / 51,216.81-76,807.44-17,936.13

Finding the Fourth Proportional to 51,216.81, 76,807.44 and 17,936.13

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Solution

The fourth proportional to 51,216.81, 76,807.44 and 17,936.13 is: 26,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.81 : 76,807.44 = 17,936.13 : x
  2. Step 2: Convert to fraction form
    51,216.81/76,807.44 = 17,936.13/x
  3. Step 3: Cross multiply
    51,216.81x = 76,807.44 × 17,936.13
  4. Step 4: Simplify right side
    51,216.81x = 1,377,628,516.84
  5. Step 5: Solve for x
    x = 1,377,628,516.84/51,216.81
  6. Step 6: Final answer
    x = 26,897.98

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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.