Home / 36,178.84-54,271.85-12,483.25

Finding the Fourth Proportional to 36,178.84, 54,271.85 and 12,483.25

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Solution

The fourth proportional to 36,178.84, 54,271.85 and 12,483.25 is: 18,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,178.84 : 54,271.85 = 12,483.25 : x
  2. Step 2: Convert to fraction form
    36,178.84/54,271.85 = 12,483.25/x
  3. Step 3: Cross multiply
    36,178.84x = 54,271.85 × 12,483.25
  4. Step 4: Simplify right side
    36,178.84x = 677,489,071.51
  5. Step 5: Solve for x
    x = 677,489,071.51/36,178.84
  6. Step 6: Final answer
    x = 18,726.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.