Home / 30,074.43-45,118.80-9,016.23

Finding the Fourth Proportional to 30,074.43, 45,118.80 and 9,016.23

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Solution

The fourth proportional to 30,074.43, 45,118.80 and 9,016.23 is: 13,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.43 : 45,118.80 = 9,016.23 : x
  2. Step 2: Convert to fraction form
    30,074.43/45,118.80 = 9,016.23/x
  3. Step 3: Cross multiply
    30,074.43x = 45,118.80 × 9,016.23
  4. Step 4: Simplify right side
    30,074.43x = 406,801,478.12
  5. Step 5: Solve for x
    x = 406,801,478.12/30,074.43
  6. Step 6: Final answer
    x = 13,526.49

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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.