Home / 74,400.32-111,467.64-39,261.44

Finding the Fourth Proportional to 74,400.32, 111,467.64 and 39,261.44

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Solution

The fourth proportional to 74,400.32, 111,467.64 and 39,261.44 is: 58,822.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,400.32 : 111,467.64 = 39,261.44 : x
  2. Step 2: Convert to fraction form
    74,400.32/111,467.64 = 39,261.44/x
  3. Step 3: Cross multiply
    74,400.32x = 111,467.64 × 39,261.44
  4. Step 4: Simplify right side
    74,400.32x = 4,376,380,059.80
  5. Step 5: Solve for x
    x = 4,376,380,059.80/74,400.32
  6. Step 6: Final answer
    x = 58,822.06

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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.