Home / 30,301.22-45,459.20-9,241.64

Finding the Fourth Proportional to 30,301.22, 45,459.20 and 9,241.64

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Solution

The fourth proportional to 30,301.22, 45,459.20 and 9,241.64 is: 13,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,301.22 : 45,459.20 = 9,241.64 : x
  2. Step 2: Convert to fraction form
    30,301.22/45,459.20 = 9,241.64/x
  3. Step 3: Cross multiply
    30,301.22x = 45,459.20 × 9,241.64
  4. Step 4: Simplify right side
    30,301.22x = 420,117,287.58
  5. Step 5: Solve for x
    x = 420,117,287.58/30,301.22
  6. Step 6: Final answer
    x = 13,864.70

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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.