Home / 41,228.32-61,847.34-13,138.60

Finding the Fourth Proportional to 41,228.32, 61,847.34 and 13,138.60

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Solution

The fourth proportional to 41,228.32, 61,847.34 and 13,138.60 is: 19,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,228.32 : 61,847.34 = 13,138.60 : x
  2. Step 2: Convert to fraction form
    41,228.32/61,847.34 = 13,138.60/x
  3. Step 3: Cross multiply
    41,228.32x = 61,847.34 × 13,138.60
  4. Step 4: Simplify right side
    41,228.32x = 812,587,461.32
  5. Step 5: Solve for x
    x = 812,587,461.32/41,228.32
  6. Step 6: Final answer
    x = 19,709.45

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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.