Home / 35,085.72-48,419.46-20,936.64

Finding the Fourth Proportional to 35,085.72, 48,419.46 and 20,936.64

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Solution

The fourth proportional to 35,085.72, 48,419.46 and 20,936.64 is: 28,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085.72 : 48,419.46 = 20,936.64 : x
  2. Step 2: Convert to fraction form
    35,085.72/48,419.46 = 20,936.64/x
  3. Step 3: Cross multiply
    35,085.72x = 48,419.46 × 20,936.64
  4. Step 4: Simplify right side
    35,085.72x = 1,013,740,803.01
  5. Step 5: Solve for x
    x = 1,013,740,803.01/35,085.72
  6. Step 6: Final answer
    x = 28,893.26

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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.