Home / 45,656.93-68,490.86-19,358.25

Finding the Fourth Proportional to 45,656.93, 68,490.86 and 19,358.25

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Solution

The fourth proportional to 45,656.93, 68,490.86 and 19,358.25 is: 29,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.93 : 68,490.86 = 19,358.25 : x
  2. Step 2: Convert to fraction form
    45,656.93/68,490.86 = 19,358.25/x
  3. Step 3: Cross multiply
    45,656.93x = 68,490.86 × 19,358.25
  4. Step 4: Simplify right side
    45,656.93x = 1,325,863,093.80
  5. Step 5: Solve for x
    x = 1,325,863,093.80/45,656.93
  6. Step 6: Final answer
    x = 29,039.69

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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.