Home / 30,599.15-45,896.03-8,410.55

Finding the Fourth Proportional to 30,599.15, 45,896.03 and 8,410.55

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Solution

The fourth proportional to 30,599.15, 45,896.03 and 8,410.55 is: 12,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.15 : 45,896.03 = 8,410.55 : x
  2. Step 2: Convert to fraction form
    30,599.15/45,896.03 = 8,410.55/x
  3. Step 3: Cross multiply
    30,599.15x = 45,896.03 × 8,410.55
  4. Step 4: Simplify right side
    30,599.15x = 386,010,813.06
  5. Step 5: Solve for x
    x = 386,010,813.06/30,599.15
  6. Step 6: Final answer
    x = 12,615.08

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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.