Home / 30,042.99-45,020.66-16,899.03

Finding the Fourth Proportional to 30,042.99, 45,020.66 and 16,899.03

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Solution

The fourth proportional to 30,042.99, 45,020.66 and 16,899.03 is: 25,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.99 : 45,020.66 = 16,899.03 : x
  2. Step 2: Convert to fraction form
    30,042.99/45,020.66 = 16,899.03/x
  3. Step 3: Cross multiply
    30,042.99x = 45,020.66 × 16,899.03
  4. Step 4: Simplify right side
    30,042.99x = 760,805,399.46
  5. Step 5: Solve for x
    x = 760,805,399.46/30,042.99
  6. Step 6: Final answer
    x = 25,323.89

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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.