Home / 55,711.72-76,882.26-31,838.32

Finding the Fourth Proportional to 55,711.72, 76,882.26 and 31,838.32

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Solution

The fourth proportional to 55,711.72, 76,882.26 and 31,838.32 is: 43,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.72 : 76,882.26 = 31,838.32 : x
  2. Step 2: Convert to fraction form
    55,711.72/76,882.26 = 31,838.32/x
  3. Step 3: Cross multiply
    55,711.72x = 76,882.26 × 31,838.32
  4. Step 4: Simplify right side
    55,711.72x = 2,447,801,996.20
  5. Step 5: Solve for x
    x = 2,447,801,996.20/55,711.72
  6. Step 6: Final answer
    x = 43,936.93

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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.