Home / 55,968.71-83,953.06-18,518.73

Finding the Fourth Proportional to 55,968.71, 83,953.06 and 18,518.73

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Solution

The fourth proportional to 55,968.71, 83,953.06 and 18,518.73 is: 27,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,968.71 : 83,953.06 = 18,518.73 : x
  2. Step 2: Convert to fraction form
    55,968.71/83,953.06 = 18,518.73/x
  3. Step 3: Cross multiply
    55,968.71x = 83,953.06 × 18,518.73
  4. Step 4: Simplify right side
    55,968.71x = 1,554,703,689.69
  5. Step 5: Solve for x
    x = 1,554,703,689.69/55,968.71
  6. Step 6: Final answer
    x = 27,778.09

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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.