Home / 30,204.90-45,301.68-12,674.88

Finding the Fourth Proportional to 30,204.90, 45,301.68 and 12,674.88

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Solution

The fourth proportional to 30,204.90, 45,301.68 and 12,674.88 is: 19,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.90 : 45,301.68 = 12,674.88 : x
  2. Step 2: Convert to fraction form
    30,204.90/45,301.68 = 12,674.88/x
  3. Step 3: Cross multiply
    30,204.90x = 45,301.68 × 12,674.88
  4. Step 4: Simplify right side
    30,204.90x = 574,193,357.80
  5. Step 5: Solve for x
    x = 574,193,357.80/30,204.90
  6. Step 6: Final answer
    x = 19,009.94

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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.