Home / 53,946.72-80,919.96-18,896.40

Finding the Fourth Proportional to 53,946.72, 80,919.96 and 18,896.40

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Solution

The fourth proportional to 53,946.72, 80,919.96 and 18,896.40 is: 28,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946.72 : 80,919.96 = 18,896.40 : x
  2. Step 2: Convert to fraction form
    53,946.72/80,919.96 = 18,896.40/x
  3. Step 3: Cross multiply
    53,946.72x = 80,919.96 × 18,896.40
  4. Step 4: Simplify right side
    53,946.72x = 1,529,095,932.14
  5. Step 5: Solve for x
    x = 1,529,095,932.14/53,946.72
  6. Step 6: Final answer
    x = 28,344.56

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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.