Home / 30,263.15-45,394.73-8,076.60

Finding the Fourth Proportional to 30,263.15, 45,394.73 and 8,076.60

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Solution

The fourth proportional to 30,263.15, 45,394.73 and 8,076.60 is: 12,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,263.15 : 45,394.73 = 8,076.60 : x
  2. Step 2: Convert to fraction form
    30,263.15/45,394.73 = 8,076.60/x
  3. Step 3: Cross multiply
    30,263.15x = 45,394.73 × 8,076.60
  4. Step 4: Simplify right side
    30,263.15x = 366,635,076.32
  5. Step 5: Solve for x
    x = 366,635,076.32/30,263.15
  6. Step 6: Final answer
    x = 12,114.90

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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.