Home / 32,640.95-45,046.35-18,305.37

Finding the Fourth Proportional to 32,640.95, 45,046.35 and 18,305.37

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Solution

The fourth proportional to 32,640.95, 45,046.35 and 18,305.37 is: 25,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.95 : 45,046.35 = 18,305.37 : x
  2. Step 2: Convert to fraction form
    32,640.95/45,046.35 = 18,305.37/x
  3. Step 3: Cross multiply
    32,640.95x = 45,046.35 × 18,305.37
  4. Step 4: Simplify right side
    32,640.95x = 824,590,103.90
  5. Step 5: Solve for x
    x = 824,590,103.90/32,640.95
  6. Step 6: Final answer
    x = 25,262.44

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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.