Home / 55,701.72-76,869.90-31,832.28

Finding the Fourth Proportional to 55,701.72, 76,869.90 and 31,832.28

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Solution

The fourth proportional to 55,701.72, 76,869.90 and 31,832.28 is: 43,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701.72 : 76,869.90 = 31,832.28 : x
  2. Step 2: Convert to fraction form
    55,701.72/76,869.90 = 31,832.28/x
  3. Step 3: Cross multiply
    55,701.72x = 76,869.90 × 31,832.28
  4. Step 4: Simplify right side
    55,701.72x = 2,446,944,180.37
  5. Step 5: Solve for x
    x = 2,446,944,180.37/55,701.72
  6. Step 6: Final answer
    x = 43,929.42

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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.