Home / 32,781.09-45,235.58-19,351.65

Finding the Fourth Proportional to 32,781.09, 45,235.58 and 19,351.65

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Solution

The fourth proportional to 32,781.09, 45,235.58 and 19,351.65 is: 26,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.09 : 45,235.58 = 19,351.65 : x
  2. Step 2: Convert to fraction form
    32,781.09/45,235.58 = 19,351.65/x
  3. Step 3: Cross multiply
    32,781.09x = 45,235.58 × 19,351.65
  4. Step 4: Simplify right side
    32,781.09x = 875,383,014.95
  5. Step 5: Solve for x
    x = 875,383,014.95/32,781.09
  6. Step 6: Final answer
    x = 26,703.90

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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.