Home / 45,265.28-67,848.71-18,939.27

Finding the Fourth Proportional to 45,265.28, 67,848.71 and 18,939.27

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Solution

The fourth proportional to 45,265.28, 67,848.71 and 18,939.27 is: 28,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,265.28 : 67,848.71 = 18,939.27 : x
  2. Step 2: Convert to fraction form
    45,265.28/67,848.71 = 18,939.27/x
  3. Step 3: Cross multiply
    45,265.28x = 67,848.71 × 18,939.27
  4. Step 4: Simplify right side
    45,265.28x = 1,285,004,975.73
  5. Step 5: Solve for x
    x = 1,285,004,975.73/45,265.28
  6. Step 6: Final answer
    x = 28,388.31

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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.