Home / 50,047.54-75,065.72-12,607.60

Finding the Fourth Proportional to 50,047.54, 75,065.72 and 12,607.60

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Solution

The fourth proportional to 50,047.54, 75,065.72 and 12,607.60 is: 18,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,047.54 : 75,065.72 = 12,607.60 : x
  2. Step 2: Convert to fraction form
    50,047.54/75,065.72 = 12,607.60/x
  3. Step 3: Cross multiply
    50,047.54x = 75,065.72 × 12,607.60
  4. Step 4: Simplify right side
    50,047.54x = 946,398,571.47
  5. Step 5: Solve for x
    x = 946,398,571.47/50,047.54
  6. Step 6: Final answer
    x = 18,909.99

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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.