Home / 30,266.30-45,389.68-11,029.31

Finding the Fourth Proportional to 30,266.30, 45,389.68 and 11,029.31

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Solution

The fourth proportional to 30,266.30, 45,389.68 and 11,029.31 is: 16,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.30 : 45,389.68 = 11,029.31 : x
  2. Step 2: Convert to fraction form
    30,266.30/45,389.68 = 11,029.31/x
  3. Step 3: Cross multiply
    30,266.30x = 45,389.68 × 11,029.31
  4. Step 4: Simplify right side
    30,266.30x = 500,616,597.00
  5. Step 5: Solve for x
    x = 500,616,597.00/30,266.30
  6. Step 6: Final answer
    x = 16,540.39

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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.