Home / 43,577.58-65,366.36-30,455.58

Finding the Fourth Proportional to 43,577.58, 65,366.36 and 30,455.58

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Solution

The fourth proportional to 43,577.58, 65,366.36 and 30,455.58 is: 45,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,577.58 : 65,366.36 = 30,455.58 : x
  2. Step 2: Convert to fraction form
    43,577.58/65,366.36 = 30,455.58/x
  3. Step 3: Cross multiply
    43,577.58x = 65,366.36 × 30,455.58
  4. Step 4: Simplify right side
    43,577.58x = 1,990,770,406.29
  5. Step 5: Solve for x
    x = 1,990,770,406.29/43,577.58
  6. Step 6: Final answer
    x = 45,683.36

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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.