Home / 45,454.32-68,180.40-12,174.36

Finding the Fourth Proportional to 45,454.32, 68,180.40 and 12,174.36

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Solution

The fourth proportional to 45,454.32, 68,180.40 and 12,174.36 is: 18,261.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,454.32 : 68,180.40 = 12,174.36 : x
  2. Step 2: Convert to fraction form
    45,454.32/68,180.40 = 12,174.36/x
  3. Step 3: Cross multiply
    45,454.32x = 68,180.40 × 12,174.36
  4. Step 4: Simplify right side
    45,454.32x = 830,052,734.54
  5. Step 5: Solve for x
    x = 830,052,734.54/45,454.32
  6. Step 6: Final answer
    x = 18,261.25

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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.