Home / 48,962.89-73,431.06-13,415.64

Finding the Fourth Proportional to 48,962.89, 73,431.06 and 13,415.64

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Solution

The fourth proportional to 48,962.89, 73,431.06 and 13,415.64 is: 20,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,962.89 : 73,431.06 = 13,415.64 : x
  2. Step 2: Convert to fraction form
    48,962.89/73,431.06 = 13,415.64/x
  3. Step 3: Cross multiply
    48,962.89x = 73,431.06 × 13,415.64
  4. Step 4: Simplify right side
    48,962.89x = 985,124,340.10
  5. Step 5: Solve for x
    x = 985,124,340.10/48,962.89
  6. Step 6: Final answer
    x = 20,119.82

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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.