Home / 49,946.82-74,931.18-18,782.06

Finding the Fourth Proportional to 49,946.82, 74,931.18 and 18,782.06

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Solution

The fourth proportional to 49,946.82, 74,931.18 and 18,782.06 is: 28,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,946.82 : 74,931.18 = 18,782.06 : x
  2. Step 2: Convert to fraction form
    49,946.82/74,931.18 = 18,782.06/x
  3. Step 3: Cross multiply
    49,946.82x = 74,931.18 × 18,782.06
  4. Step 4: Simplify right side
    49,946.82x = 1,407,361,918.63
  5. Step 5: Solve for x
    x = 1,407,361,918.63/49,946.82
  6. Step 6: Final answer
    x = 28,177.21

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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.