Home / 32,821.38-45,292.68-18,673.38

Finding the Fourth Proportional to 32,821.38, 45,292.68 and 18,673.38

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Solution

The fourth proportional to 32,821.38, 45,292.68 and 18,673.38 is: 25,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,821.38 : 45,292.68 = 18,673.38 : x
  2. Step 2: Convert to fraction form
    32,821.38/45,292.68 = 18,673.38/x
  3. Step 3: Cross multiply
    32,821.38x = 45,292.68 × 18,673.38
  4. Step 4: Simplify right side
    32,821.38x = 845,767,424.86
  5. Step 5: Solve for x
    x = 845,767,424.86/32,821.38
  6. Step 6: Final answer
    x = 25,768.80

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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.