Home / 30,207.30-45,272.67-17,067.07

Finding the Fourth Proportional to 30,207.30, 45,272.67 and 17,067.07

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Solution

The fourth proportional to 30,207.30, 45,272.67 and 17,067.07 is: 25,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.30 : 45,272.67 = 17,067.07 : x
  2. Step 2: Convert to fraction form
    30,207.30/45,272.67 = 17,067.07/x
  3. Step 3: Cross multiply
    30,207.30x = 45,272.67 × 17,067.07
  4. Step 4: Simplify right side
    30,207.30x = 772,671,827.98
  5. Step 5: Solve for x
    x = 772,671,827.98/30,207.30
  6. Step 6: Final answer
    x = 25,578.98

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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.