Home / 30,081.35-45,106.84-17,605.12

Finding the Fourth Proportional to 30,081.35, 45,106.84 and 17,605.12

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Solution

The fourth proportional to 30,081.35, 45,106.84 and 17,605.12 is: 26,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.35 : 45,106.84 = 17,605.12 : x
  2. Step 2: Convert to fraction form
    30,081.35/45,106.84 = 17,605.12/x
  3. Step 3: Cross multiply
    30,081.35x = 45,106.84 × 17,605.12
  4. Step 4: Simplify right side
    30,081.35x = 794,111,174.24
  5. Step 5: Solve for x
    x = 794,111,174.24/30,081.35
  6. Step 6: Final answer
    x = 26,398.79

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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.