Home / 55,247.40-82,877.22-19,717.01

Finding the Fourth Proportional to 55,247.40, 82,877.22 and 19,717.01

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Solution

The fourth proportional to 55,247.40, 82,877.22 and 19,717.01 is: 29,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.40 : 82,877.22 = 19,717.01 : x
  2. Step 2: Convert to fraction form
    55,247.40/82,877.22 = 19,717.01/x
  3. Step 3: Cross multiply
    55,247.40x = 82,877.22 × 19,717.01
  4. Step 4: Simplify right side
    55,247.40x = 1,634,090,583.37
  5. Step 5: Solve for x
    x = 1,634,090,583.37/55,247.40
  6. Step 6: Final answer
    x = 29,577.69

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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.