Home / 32,625.23-45,009.33-21,290.65

Finding the Fourth Proportional to 32,625.23, 45,009.33 and 21,290.65

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Solution

The fourth proportional to 32,625.23, 45,009.33 and 21,290.65 is: 29,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,625.23 : 45,009.33 = 21,290.65 : x
  2. Step 2: Convert to fraction form
    32,625.23/45,009.33 = 21,290.65/x
  3. Step 3: Cross multiply
    32,625.23x = 45,009.33 × 21,290.65
  4. Step 4: Simplify right side
    32,625.23x = 958,277,759.28
  5. Step 5: Solve for x
    x = 958,277,759.28/32,625.23
  6. Step 6: Final answer
    x = 29,372.29

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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.