Home / 55,536.49-76,638.45-31,670.85

Finding the Fourth Proportional to 55,536.49, 76,638.45 and 31,670.85

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Solution

The fourth proportional to 55,536.49, 76,638.45 and 31,670.85 is: 43,704.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.49 : 76,638.45 = 31,670.85 : x
  2. Step 2: Convert to fraction form
    55,536.49/76,638.45 = 31,670.85/x
  3. Step 3: Cross multiply
    55,536.49x = 76,638.45 × 31,670.85
  4. Step 4: Simplify right side
    55,536.49x = 2,427,204,854.18
  5. Step 5: Solve for x
    x = 2,427,204,854.18/55,536.49
  6. Step 6: Final answer
    x = 43,704.69

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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.