Home / 51,816.60-77,705.82-18,527.64

Finding the Fourth Proportional to 51,816.60, 77,705.82 and 18,527.64

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Solution

The fourth proportional to 51,816.60, 77,705.82 and 18,527.64 is: 27,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.60 : 77,705.82 = 18,527.64 : x
  2. Step 2: Convert to fraction form
    51,816.60/77,705.82 = 18,527.64/x
  3. Step 3: Cross multiply
    51,816.60x = 77,705.82 × 18,527.64
  4. Step 4: Simplify right side
    51,816.60x = 1,439,705,458.86
  5. Step 5: Solve for x
    x = 1,439,705,458.86/51,816.60
  6. Step 6: Final answer
    x = 27,784.64

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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.