Home / 34,145.09-47,118.03-19,805.44

Finding the Fourth Proportional to 34,145.09, 47,118.03 and 19,805.44

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Solution

The fourth proportional to 34,145.09, 47,118.03 and 19,805.44 is: 27,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.09 : 47,118.03 = 19,805.44 : x
  2. Step 2: Convert to fraction form
    34,145.09/47,118.03 = 19,805.44/x
  3. Step 3: Cross multiply
    34,145.09x = 47,118.03 × 19,805.44
  4. Step 4: Simplify right side
    34,145.09x = 933,193,316.08
  5. Step 5: Solve for x
    x = 933,193,316.08/34,145.09
  6. Step 6: Final answer
    x = 27,330.23

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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.