Home / 55,074.12-82,611.10-15,631.56

Finding the Fourth Proportional to 55,074.12, 82,611.10 and 15,631.56

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Solution

The fourth proportional to 55,074.12, 82,611.10 and 15,631.56 is: 23,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,074.12 : 82,611.10 = 15,631.56 : x
  2. Step 2: Convert to fraction form
    55,074.12/82,611.10 = 15,631.56/x
  3. Step 3: Cross multiply
    55,074.12x = 82,611.10 × 15,631.56
  4. Step 4: Simplify right side
    55,074.12x = 1,291,340,366.32
  5. Step 5: Solve for x
    x = 1,291,340,366.32/55,074.12
  6. Step 6: Final answer
    x = 23,447.32

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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.