Home / 50,287.85-75,431.77-12,848.00

Finding the Fourth Proportional to 50,287.85, 75,431.77 and 12,848.00

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Solution

The fourth proportional to 50,287.85, 75,431.77 and 12,848.00 is: 19,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,287.85 : 75,431.77 = 12,848.00 : x
  2. Step 2: Convert to fraction form
    50,287.85/75,431.77 = 12,848.00/x
  3. Step 3: Cross multiply
    50,287.85x = 75,431.77 × 12,848.00
  4. Step 4: Simplify right side
    50,287.85x = 969,146,971.68
  5. Step 5: Solve for x
    x = 969,146,971.68/50,287.85
  6. Step 6: Final answer
    x = 19,271.99

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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.