Home / 35,115.43-48,463.77-20,013.54

Finding the Fourth Proportional to 35,115.43, 48,463.77 and 20,013.54

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Solution

The fourth proportional to 35,115.43, 48,463.77 and 20,013.54 is: 27,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.43 : 48,463.77 = 20,013.54 : x
  2. Step 2: Convert to fraction form
    35,115.43/48,463.77 = 20,013.54/x
  3. Step 3: Cross multiply
    35,115.43x = 48,463.77 × 20,013.54
  4. Step 4: Simplify right side
    35,115.43x = 969,931,599.45
  5. Step 5: Solve for x
    x = 969,931,599.45/35,115.43
  6. Step 6: Final answer
    x = 27,621.24

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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.