Home / 30,164.58-45,254.97-13,299.03

Finding the Fourth Proportional to 30,164.58, 45,254.97 and 13,299.03

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Solution

The fourth proportional to 30,164.58, 45,254.97 and 13,299.03 is: 19,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.58 : 45,254.97 = 13,299.03 : x
  2. Step 2: Convert to fraction form
    30,164.58/45,254.97 = 13,299.03/x
  3. Step 3: Cross multiply
    30,164.58x = 45,254.97 × 13,299.03
  4. Step 4: Simplify right side
    30,164.58x = 601,847,203.68
  5. Step 5: Solve for x
    x = 601,847,203.68/30,164.58
  6. Step 6: Final answer
    x = 19,952.12

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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.