Home / 45,230.78-67,852.85-15,640.67

Finding the Fourth Proportional to 45,230.78, 67,852.85 and 15,640.67

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Solution

The fourth proportional to 45,230.78, 67,852.85 and 15,640.67 is: 23,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,230.78 : 67,852.85 = 15,640.67 : x
  2. Step 2: Convert to fraction form
    45,230.78/67,852.85 = 15,640.67/x
  3. Step 3: Cross multiply
    45,230.78x = 67,852.85 × 15,640.67
  4. Step 4: Simplify right side
    45,230.78x = 1,061,263,617.94
  5. Step 5: Solve for x
    x = 1,061,263,617.94/45,230.78
  6. Step 6: Final answer
    x = 23,463.31

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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.