Home / 32,943.84-45,451.20-18,786.72

Finding the Fourth Proportional to 32,943.84, 45,451.20 and 18,786.72

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Solution

The fourth proportional to 32,943.84, 45,451.20 and 18,786.72 is: 25,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,943.84 : 45,451.20 = 18,786.72 : x
  2. Step 2: Convert to fraction form
    32,943.84/45,451.20 = 18,786.72/x
  3. Step 3: Cross multiply
    32,943.84x = 45,451.20 × 18,786.72
  4. Step 4: Simplify right side
    32,943.84x = 853,878,968.06
  5. Step 5: Solve for x
    x = 853,878,968.06/32,943.84
  6. Step 6: Final answer
    x = 25,919.23

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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.