Home / 30,006.10-45,009.15-9,229.60

Finding the Fourth Proportional to 30,006.10, 45,009.15 and 9,229.60

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Solution

The fourth proportional to 30,006.10, 45,009.15 and 9,229.60 is: 13,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.10 : 45,009.15 = 9,229.60 : x
  2. Step 2: Convert to fraction form
    30,006.10/45,009.15 = 9,229.60/x
  3. Step 3: Cross multiply
    30,006.10x = 45,009.15 × 9,229.60
  4. Step 4: Simplify right side
    30,006.10x = 415,416,450.84
  5. Step 5: Solve for x
    x = 415,416,450.84/30,006.10
  6. Step 6: Final answer
    x = 13,844.40

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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.