Home / 30,198.04-45,295.80-15,406.64

Finding the Fourth Proportional to 30,198.04, 45,295.80 and 15,406.64

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Solution

The fourth proportional to 30,198.04, 45,295.80 and 15,406.64 is: 23,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.04 : 45,295.80 = 15,406.64 : x
  2. Step 2: Convert to fraction form
    30,198.04/45,295.80 = 15,406.64/x
  3. Step 3: Cross multiply
    30,198.04x = 45,295.80 × 15,406.64
  4. Step 4: Simplify right side
    30,198.04x = 697,856,084.11
  5. Step 5: Solve for x
    x = 697,856,084.11/30,198.04
  6. Step 6: Final answer
    x = 23,109.32

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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.