Home / 48,186.80-66,466.94-38,649.58

Finding the Fourth Proportional to 48,186.80, 66,466.94 and 38,649.58

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Solution

The fourth proportional to 48,186.80, 66,466.94 and 38,649.58 is: 53,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,186.80 : 66,466.94 = 38,649.58 : x
  2. Step 2: Convert to fraction form
    48,186.80/66,466.94 = 38,649.58/x
  3. Step 3: Cross multiply
    48,186.80x = 66,466.94 × 38,649.58
  4. Step 4: Simplify right side
    48,186.80x = 2,568,918,955.47
  5. Step 5: Solve for x
    x = 2,568,918,955.47/48,186.80
  6. Step 6: Final answer
    x = 53,311.67

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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.