Home / 56,628.96-84,890.60-19,162.96

Finding the Fourth Proportional to 56,628.96, 84,890.60 and 19,162.96

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Solution

The fourth proportional to 56,628.96, 84,890.60 and 19,162.96 is: 28,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,628.96 : 84,890.60 = 19,162.96 : x
  2. Step 2: Convert to fraction form
    56,628.96/84,890.60 = 19,162.96/x
  3. Step 3: Cross multiply
    56,628.96x = 84,890.60 × 19,162.96
  4. Step 4: Simplify right side
    56,628.96x = 1,626,755,076.36
  5. Step 5: Solve for x
    x = 1,626,755,076.36/56,628.96
  6. Step 6: Final answer
    x = 28,726.56

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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.