Home / 35,949.90-49,611.06-20,851.50

Finding the Fourth Proportional to 35,949.90, 49,611.06 and 20,851.50

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Solution

The fourth proportional to 35,949.90, 49,611.06 and 20,851.50 is: 28,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,949.90 : 49,611.06 = 20,851.50 : x
  2. Step 2: Convert to fraction form
    35,949.90/49,611.06 = 20,851.50/x
  3. Step 3: Cross multiply
    35,949.90x = 49,611.06 × 20,851.50
  4. Step 4: Simplify right side
    35,949.90x = 1,034,465,017.59
  5. Step 5: Solve for x
    x = 1,034,465,017.59/35,949.90
  6. Step 6: Final answer
    x = 28,775.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.