Home / 30,011.12-45,016.40-10,022.16

Finding the Fourth Proportional to 30,011.12, 45,016.40 and 10,022.16

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Solution

The fourth proportional to 30,011.12, 45,016.40 and 10,022.16 is: 15,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.12 : 45,016.40 = 10,022.16 : x
  2. Step 2: Convert to fraction form
    30,011.12/45,016.40 = 10,022.16/x
  3. Step 3: Cross multiply
    30,011.12x = 45,016.40 × 10,022.16
  4. Step 4: Simplify right side
    30,011.12x = 451,161,563.42
  5. Step 5: Solve for x
    x = 451,161,563.42/30,011.12
  6. Step 6: Final answer
    x = 15,033.15

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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.