Home / 48,325.21-66,739.50-33,256.78

Finding the Fourth Proportional to 48,325.21, 66,739.50 and 33,256.78

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Solution

The fourth proportional to 48,325.21, 66,739.50 and 33,256.78 is: 45,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,325.21 : 66,739.50 = 33,256.78 : x
  2. Step 2: Convert to fraction form
    48,325.21/66,739.50 = 33,256.78/x
  3. Step 3: Cross multiply
    48,325.21x = 66,739.50 × 33,256.78
  4. Step 4: Simplify right side
    48,325.21x = 2,219,540,868.81
  5. Step 5: Solve for x
    x = 2,219,540,868.81/48,325.21
  6. Step 6: Final answer
    x = 45,929.25

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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.