Home / 35,972.34-49,638.21-20,055.30

Finding the Fourth Proportional to 35,972.34, 49,638.21 and 20,055.30

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Solution

The fourth proportional to 35,972.34, 49,638.21 and 20,055.30 is: 27,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.34 : 49,638.21 = 20,055.30 : x
  2. Step 2: Convert to fraction form
    35,972.34/49,638.21 = 20,055.30/x
  3. Step 3: Cross multiply
    35,972.34x = 49,638.21 × 20,055.30
  4. Step 4: Simplify right side
    35,972.34x = 995,509,193.01
  5. Step 5: Solve for x
    x = 995,509,193.01/35,972.34
  6. Step 6: Final answer
    x = 27,674.30

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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.