Home / 32,391.12-44,699.84-18,781.81

Finding the Fourth Proportional to 32,391.12, 44,699.84 and 18,781.81

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Solution

The fourth proportional to 32,391.12, 44,699.84 and 18,781.81 is: 25,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,391.12 : 44,699.84 = 18,781.81 : x
  2. Step 2: Convert to fraction form
    32,391.12/44,699.84 = 18,781.81/x
  3. Step 3: Cross multiply
    32,391.12x = 44,699.84 × 18,781.81
  4. Step 4: Simplify right side
    32,391.12x = 839,543,837.12
  5. Step 5: Solve for x
    x = 839,543,837.12/32,391.12
  6. Step 6: Final answer
    x = 25,918.95

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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.