Home / 30,131.22-45,171.99-14,329.98

Finding the Fourth Proportional to 30,131.22, 45,171.99 and 14,329.98

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Solution

The fourth proportional to 30,131.22, 45,171.99 and 14,329.98 is: 21,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.22 : 45,171.99 = 14,329.98 : x
  2. Step 2: Convert to fraction form
    30,131.22/45,171.99 = 14,329.98/x
  3. Step 3: Cross multiply
    30,131.22x = 45,171.99 × 14,329.98
  4. Step 4: Simplify right side
    30,131.22x = 647,313,713.26
  5. Step 5: Solve for x
    x = 647,313,713.26/30,131.22
  6. Step 6: Final answer
    x = 21,483.16

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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.