Home / 30,004.63-45,034.23-15,976.42

Finding the Fourth Proportional to 30,004.63, 45,034.23 and 15,976.42

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Solution

The fourth proportional to 30,004.63, 45,034.23 and 15,976.42 is: 23,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.63 : 45,034.23 = 15,976.42 : x
  2. Step 2: Convert to fraction form
    30,004.63/45,034.23 = 15,976.42/x
  3. Step 3: Cross multiply
    30,004.63x = 45,034.23 × 15,976.42
  4. Step 4: Simplify right side
    30,004.63x = 719,485,772.86
  5. Step 5: Solve for x
    x = 719,485,772.86/30,004.63
  6. Step 6: Final answer
    x = 23,979.16

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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.