Home / 30,090.52-45,121.56-9,022.36

Finding the Fourth Proportional to 30,090.52, 45,121.56 and 9,022.36

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Solution

The fourth proportional to 30,090.52, 45,121.56 and 9,022.36 is: 13,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.52 : 45,121.56 = 9,022.36 : x
  2. Step 2: Convert to fraction form
    30,090.52/45,121.56 = 9,022.36/x
  3. Step 3: Cross multiply
    30,090.52x = 45,121.56 × 9,022.36
  4. Step 4: Simplify right side
    30,090.52x = 407,102,958.08
  5. Step 5: Solve for x
    x = 407,102,958.08/30,090.52
  6. Step 6: Final answer
    x = 13,529.28

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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.