Home / 54,862.65-82,289.86-19,802.30

Finding the Fourth Proportional to 54,862.65, 82,289.86 and 19,802.30

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Solution

The fourth proportional to 54,862.65, 82,289.86 and 19,802.30 is: 29,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,862.65 : 82,289.86 = 19,802.30 : x
  2. Step 2: Convert to fraction form
    54,862.65/82,289.86 = 19,802.30/x
  3. Step 3: Cross multiply
    54,862.65x = 82,289.86 × 19,802.30
  4. Step 4: Simplify right side
    54,862.65x = 1,629,528,033.72
  5. Step 5: Solve for x
    x = 1,629,528,033.72/54,862.65
  6. Step 6: Final answer
    x = 29,701.96

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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.