Home / 49,829.10-74,763.81-20,239.26

Finding the Fourth Proportional to 49,829.10, 74,763.81 and 20,239.26

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Solution

The fourth proportional to 49,829.10, 74,763.81 and 20,239.26 is: 30,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,829.10 : 74,763.81 = 20,239.26 : x
  2. Step 2: Convert to fraction form
    49,829.10/74,763.81 = 20,239.26/x
  3. Step 3: Cross multiply
    49,829.10x = 74,763.81 × 20,239.26
  4. Step 4: Simplify right side
    49,829.10x = 1,513,164,189.18
  5. Step 5: Solve for x
    x = 1,513,164,189.18/49,829.10
  6. Step 6: Final answer
    x = 30,367.08

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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.