Home / 35,972.40-49,639.58-20,055.90

Finding the Fourth Proportional to 35,972.40, 49,639.58 and 20,055.90

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Solution

The fourth proportional to 35,972.40, 49,639.58 and 20,055.90 is: 27,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.40 : 49,639.58 = 20,055.90 : x
  2. Step 2: Convert to fraction form
    35,972.40/49,639.58 = 20,055.90/x
  3. Step 3: Cross multiply
    35,972.40x = 49,639.58 × 20,055.90
  4. Step 4: Simplify right side
    35,972.40x = 995,566,452.52
  5. Step 5: Solve for x
    x = 995,566,452.52/35,972.40
  6. Step 6: Final answer
    x = 27,675.84

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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.