Home / 49,820.80-74,731.20-26,492.80

Finding the Fourth Proportional to 49,820.80, 74,731.20 and 26,492.80

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Solution

The fourth proportional to 49,820.80, 74,731.20 and 26,492.80 is: 39,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.80 : 74,731.20 = 26,492.80 : x
  2. Step 2: Convert to fraction form
    49,820.80/74,731.20 = 26,492.80/x
  3. Step 3: Cross multiply
    49,820.80x = 74,731.20 × 26,492.80
  4. Step 4: Simplify right side
    49,820.80x = 1,979,838,735.36
  5. Step 5: Solve for x
    x = 1,979,838,735.36/49,820.80
  6. Step 6: Final answer
    x = 39,739.20

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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.