Home / 45,923.66-68,913.08-19,628.40

Finding the Fourth Proportional to 45,923.66, 68,913.08 and 19,628.40

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Solution

The fourth proportional to 45,923.66, 68,913.08 and 19,628.40 is: 29,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923.66 : 68,913.08 = 19,628.40 : x
  2. Step 2: Convert to fraction form
    45,923.66/68,913.08 = 19,628.40/x
  3. Step 3: Cross multiply
    45,923.66x = 68,913.08 × 19,628.40
  4. Step 4: Simplify right side
    45,923.66x = 1,352,653,539.54
  5. Step 5: Solve for x
    x = 1,352,653,539.54/45,923.66
  6. Step 6: Final answer
    x = 29,454.39

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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.