Home / 55,254.74-82,888.22-19,724.36

Finding the Fourth Proportional to 55,254.74, 82,888.22 and 19,724.36

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Solution

The fourth proportional to 55,254.74, 82,888.22 and 19,724.36 is: 29,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,254.74 : 82,888.22 = 19,724.36 : x
  2. Step 2: Convert to fraction form
    55,254.74/82,888.22 = 19,724.36/x
  3. Step 3: Cross multiply
    55,254.74x = 82,888.22 × 19,724.36
  4. Step 4: Simplify right side
    55,254.74x = 1,634,916,725.91
  5. Step 5: Solve for x
    x = 1,634,916,725.91/55,254.74
  6. Step 6: Final answer
    x = 29,588.72

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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.