Home / 48,277.00-72,415.56-20,181.68

Finding the Fourth Proportional to 48,277.00, 72,415.56 and 20,181.68

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Solution

The fourth proportional to 48,277.00, 72,415.56 and 20,181.68 is: 30,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,277.00 : 72,415.56 = 20,181.68 : x
  2. Step 2: Convert to fraction form
    48,277.00/72,415.56 = 20,181.68/x
  3. Step 3: Cross multiply
    48,277.00x = 72,415.56 × 20,181.68
  4. Step 4: Simplify right side
    48,277.00x = 1,461,467,705.87
  5. Step 5: Solve for x
    x = 1,461,467,705.87/48,277.00
  6. Step 6: Final answer
    x = 30,272.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.