Home / 48,421.12-66,824-36,463.36

Finding the Fourth Proportional to 48,421.12, 66,824 and 36,463.36

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Solution

The fourth proportional to 48,421.12, 66,824 and 36,463.36 is: 50,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.12 : 66,824 = 36,463.36 : x
  2. Step 2: Convert to fraction form
    48,421.12/66,824 = 36,463.36/x
  3. Step 3: Cross multiply
    48,421.12x = 66,824 × 36,463.36
  4. Step 4: Simplify right side
    48,421.12x = 2,436,627,568.64
  5. Step 5: Solve for x
    x = 2,436,627,568.64/48,421.12
  6. Step 6: Final answer
    x = 50,321.59

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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.