Home / 35,127.54-48,477.78-20,795.60

Finding the Fourth Proportional to 35,127.54, 48,477.78 and 20,795.60

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Solution

The fourth proportional to 35,127.54, 48,477.78 and 20,795.60 is: 28,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,127.54 : 48,477.78 = 20,795.60 : x
  2. Step 2: Convert to fraction form
    35,127.54/48,477.78 = 20,795.60/x
  3. Step 3: Cross multiply
    35,127.54x = 48,477.78 × 20,795.60
  4. Step 4: Simplify right side
    35,127.54x = 1,008,124,279.38
  5. Step 5: Solve for x
    x = 1,008,124,279.38/35,127.54
  6. Step 6: Final answer
    x = 28,698.97

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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.