Home / 30,291.40-41,800.50-17,542.36

Finding the Fourth Proportional to 30,291.40, 41,800.50 and 17,542.36

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Solution

The fourth proportional to 30,291.40, 41,800.50 and 17,542.36 is: 24,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.40 : 41,800.50 = 17,542.36 : x
  2. Step 2: Convert to fraction form
    30,291.40/41,800.50 = 17,542.36/x
  3. Step 3: Cross multiply
    30,291.40x = 41,800.50 × 17,542.36
  4. Step 4: Simplify right side
    30,291.40x = 733,279,419.18
  5. Step 5: Solve for x
    x = 733,279,419.18/30,291.40
  6. Step 6: Final answer
    x = 24,207.51

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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.