Home / 51,798.60-77,678.37-16,728.84

Finding the Fourth Proportional to 51,798.60, 77,678.37 and 16,728.84

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Solution

The fourth proportional to 51,798.60, 77,678.37 and 16,728.84 is: 25,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,798.60 : 77,678.37 = 16,728.84 : x
  2. Step 2: Convert to fraction form
    51,798.60/77,678.37 = 16,728.84/x
  3. Step 3: Cross multiply
    51,798.60x = 77,678.37 × 16,728.84
  4. Step 4: Simplify right side
    51,798.60x = 1,299,469,023.19
  5. Step 5: Solve for x
    x = 1,299,469,023.19/51,798.60
  6. Step 6: Final answer
    x = 25,086.95

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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.