Home / 55,020.43-82,515.41-19,477.07

Finding the Fourth Proportional to 55,020.43, 82,515.41 and 19,477.07

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Solution

The fourth proportional to 55,020.43, 82,515.41 and 19,477.07 is: 29,210.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.43 : 82,515.41 = 19,477.07 : x
  2. Step 2: Convert to fraction form
    55,020.43/82,515.41 = 19,477.07/x
  3. Step 3: Cross multiply
    55,020.43x = 82,515.41 × 19,477.07
  4. Step 4: Simplify right side
    55,020.43x = 1,607,158,566.55
  5. Step 5: Solve for x
    x = 1,607,158,566.55/55,020.43
  6. Step 6: Final answer
    x = 29,210.21

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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.