Home / 43,657.40-65,472.44-28,944.36

Finding the Fourth Proportional to 43,657.40, 65,472.44 and 28,944.36

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Solution

The fourth proportional to 43,657.40, 65,472.44 and 28,944.36 is: 43,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,657.40 : 65,472.44 = 28,944.36 : x
  2. Step 2: Convert to fraction form
    43,657.40/65,472.44 = 28,944.36/x
  3. Step 3: Cross multiply
    43,657.40x = 65,472.44 × 28,944.36
  4. Step 4: Simplify right side
    43,657.40x = 1,895,057,728.72
  5. Step 5: Solve for x
    x = 1,895,057,728.72/43,657.40
  6. Step 6: Final answer
    x = 43,407.48

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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.