Home / 20,029.33-30,045.75-5,238.19

Finding the Fourth Proportional to 20,029.33, 30,045.75 and 5,238.19

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Solution

The fourth proportional to 20,029.33, 30,045.75 and 5,238.19 is: 7,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.33 : 30,045.75 = 5,238.19 : x
  2. Step 2: Convert to fraction form
    20,029.33/30,045.75 = 5,238.19/x
  3. Step 3: Cross multiply
    20,029.33x = 30,045.75 × 5,238.19
  4. Step 4: Simplify right side
    20,029.33x = 157,385,347.19
  5. Step 5: Solve for x
    x = 157,385,347.19/20,029.33
  6. Step 6: Final answer
    x = 7,857.74

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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.