Home / 34,693.88-47,877.56-18,778.46

Finding the Fourth Proportional to 34,693.88, 47,877.56 and 18,778.46

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Solution

The fourth proportional to 34,693.88, 47,877.56 and 18,778.46 is: 25,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,693.88 : 47,877.56 = 18,778.46 : x
  2. Step 2: Convert to fraction form
    34,693.88/47,877.56 = 18,778.46/x
  3. Step 3: Cross multiply
    34,693.88x = 47,877.56 × 18,778.46
  4. Step 4: Simplify right side
    34,693.88x = 899,066,512.08
  5. Step 5: Solve for x
    x = 899,066,512.08/34,693.88
  6. Step 6: Final answer
    x = 25,914.27

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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.