Home / 30,335.40-41,858.10-16,902.36

Finding the Fourth Proportional to 30,335.40, 41,858.10 and 16,902.36

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Solution

The fourth proportional to 30,335.40, 41,858.10 and 16,902.36 is: 23,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.40 : 41,858.10 = 16,902.36 : x
  2. Step 2: Convert to fraction form
    30,335.40/41,858.10 = 16,902.36/x
  3. Step 3: Cross multiply
    30,335.40x = 41,858.10 × 16,902.36
  4. Step 4: Simplify right side
    30,335.40x = 707,500,675.12
  5. Step 5: Solve for x
    x = 707,500,675.12/30,335.40
  6. Step 6: Final answer
    x = 23,322.61

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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.