Home / 34,738.45-47,938.74-18,822.85

Finding the Fourth Proportional to 34,738.45, 47,938.74 and 18,822.85

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Solution

The fourth proportional to 34,738.45, 47,938.74 and 18,822.85 is: 25,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.45 : 47,938.74 = 18,822.85 : x
  2. Step 2: Convert to fraction form
    34,738.45/47,938.74 = 18,822.85/x
  3. Step 3: Cross multiply
    34,738.45x = 47,938.74 × 18,822.85
  4. Step 4: Simplify right side
    34,738.45x = 902,343,712.21
  5. Step 5: Solve for x
    x = 902,343,712.21/34,738.45
  6. Step 6: Final answer
    x = 25,975.36

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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.