Home / 30,801.20-46,169.40-17,625.20

Finding the Fourth Proportional to 30,801.20, 46,169.40 and 17,625.20

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Solution

The fourth proportional to 30,801.20, 46,169.40 and 17,625.20 is: 26,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.20 : 46,169.40 = 17,625.20 : x
  2. Step 2: Convert to fraction form
    30,801.20/46,169.40 = 17,625.20/x
  3. Step 3: Cross multiply
    30,801.20x = 46,169.40 × 17,625.20
  4. Step 4: Simplify right side
    30,801.20x = 813,744,908.88
  5. Step 5: Solve for x
    x = 813,744,908.88/30,801.20
  6. Step 6: Final answer
    x = 26,419.26

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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.