Home / 30,288.36-45,439.02-9,230.09

Finding the Fourth Proportional to 30,288.36, 45,439.02 and 9,230.09

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Solution

The fourth proportional to 30,288.36, 45,439.02 and 9,230.09 is: 13,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.36 : 45,439.02 = 9,230.09 : x
  2. Step 2: Convert to fraction form
    30,288.36/45,439.02 = 9,230.09/x
  3. Step 3: Cross multiply
    30,288.36x = 45,439.02 × 9,230.09
  4. Step 4: Simplify right side
    30,288.36x = 419,405,970.77
  5. Step 5: Solve for x
    x = 419,405,970.77/30,288.36
  6. Step 6: Final answer
    x = 13,847.10

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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.