Home / 30,292.00-45,438.61-8,105.34

Finding the Fourth Proportional to 30,292.00, 45,438.61 and 8,105.34

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Solution

The fourth proportional to 30,292.00, 45,438.61 and 8,105.34 is: 12,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.00 : 45,438.61 = 8,105.34 : x
  2. Step 2: Convert to fraction form
    30,292.00/45,438.61 = 8,105.34/x
  3. Step 3: Cross multiply
    30,292.00x = 45,438.61 × 8,105.34
  4. Step 4: Simplify right side
    30,292.00x = 368,295,496.77
  5. Step 5: Solve for x
    x = 368,295,496.77/30,292.00
  6. Step 6: Final answer
    x = 12,158.18

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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.