Home / 30,304.34-45,459.14-9,249.12

Finding the Fourth Proportional to 30,304.34, 45,459.14 and 9,249.12

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Solution

The fourth proportional to 30,304.34, 45,459.14 and 9,249.12 is: 13,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304.34 : 45,459.14 = 9,249.12 : x
  2. Step 2: Convert to fraction form
    30,304.34/45,459.14 = 9,249.12/x
  3. Step 3: Cross multiply
    30,304.34x = 45,459.14 × 9,249.12
  4. Step 4: Simplify right side
    30,304.34x = 420,457,040.96
  5. Step 5: Solve for x
    x = 420,457,040.96/30,304.34
  6. Step 6: Final answer
    x = 13,874.48

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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.