Home / 30,296.06-41,802.24-18,357.08

Finding the Fourth Proportional to 30,296.06, 41,802.24 and 18,357.08

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Solution

The fourth proportional to 30,296.06, 41,802.24 and 18,357.08 is: 25,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.06 : 41,802.24 = 18,357.08 : x
  2. Step 2: Convert to fraction form
    30,296.06/41,802.24 = 18,357.08/x
  3. Step 3: Cross multiply
    30,296.06x = 41,802.24 × 18,357.08
  4. Step 4: Simplify right side
    30,296.06x = 767,367,063.86
  5. Step 5: Solve for x
    x = 767,367,063.86/30,296.06
  6. Step 6: Final answer
    x = 25,328.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.