Home / 43,578.40-60,142.26-25,678.96

Finding the Fourth Proportional to 43,578.40, 60,142.26 and 25,678.96

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Solution

The fourth proportional to 43,578.40, 60,142.26 and 25,678.96 is: 35,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578.40 : 60,142.26 = 25,678.96 : x
  2. Step 2: Convert to fraction form
    43,578.40/60,142.26 = 25,678.96/x
  3. Step 3: Cross multiply
    43,578.40x = 60,142.26 × 25,678.96
  4. Step 4: Simplify right side
    43,578.40x = 1,544,390,688.85
  5. Step 5: Solve for x
    x = 1,544,390,688.85/43,578.40
  6. Step 6: Final answer
    x = 35,439.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.