Home / 30,090.12-45,216.90-16,059.92

Finding the Fourth Proportional to 30,090.12, 45,216.90 and 16,059.92

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Solution

The fourth proportional to 30,090.12, 45,216.90 and 16,059.92 is: 24,133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.12 : 45,216.90 = 16,059.92 : x
  2. Step 2: Convert to fraction form
    30,090.12/45,216.90 = 16,059.92/x
  3. Step 3: Cross multiply
    30,090.12x = 45,216.90 × 16,059.92
  4. Step 4: Simplify right side
    30,090.12x = 726,179,796.65
  5. Step 5: Solve for x
    x = 726,179,796.65/30,090.12
  6. Step 6: Final answer
    x = 24,133.50

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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.