Home / 45,555.78-68,334.12-15,974.34

Finding the Fourth Proportional to 45,555.78, 68,334.12 and 15,974.34

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Solution

The fourth proportional to 45,555.78, 68,334.12 and 15,974.34 is: 23,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555.78 : 68,334.12 = 15,974.34 : x
  2. Step 2: Convert to fraction form
    45,555.78/68,334.12 = 15,974.34/x
  3. Step 3: Cross multiply
    45,555.78x = 68,334.12 × 15,974.34
  4. Step 4: Simplify right side
    45,555.78x = 1,091,592,466.48
  5. Step 5: Solve for x
    x = 1,091,592,466.48/45,555.78
  6. Step 6: Final answer
    x = 23,961.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.