Home / 30,069.05-45,090.83-9,012.08

Finding the Fourth Proportional to 30,069.05, 45,090.83 and 9,012.08

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Solution

The fourth proportional to 30,069.05, 45,090.83 and 9,012.08 is: 13,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.05 : 45,090.83 = 9,012.08 : x
  2. Step 2: Convert to fraction form
    30,069.05/45,090.83 = 9,012.08/x
  3. Step 3: Cross multiply
    30,069.05x = 45,090.83 × 9,012.08
  4. Step 4: Simplify right side
    30,069.05x = 406,361,896.71
  5. Step 5: Solve for x
    x = 406,361,896.71/30,069.05
  6. Step 6: Final answer
    x = 13,514.29

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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.