Home / 43,853.94-65,781.72-14,271.66

Finding the Fourth Proportional to 43,853.94, 65,781.72 and 14,271.66

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Solution

The fourth proportional to 43,853.94, 65,781.72 and 14,271.66 is: 21,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,853.94 : 65,781.72 = 14,271.66 : x
  2. Step 2: Convert to fraction form
    43,853.94/65,781.72 = 14,271.66/x
  3. Step 3: Cross multiply
    43,853.94x = 65,781.72 × 14,271.66
  4. Step 4: Simplify right side
    43,853.94x = 938,814,342.06
  5. Step 5: Solve for x
    x = 938,814,342.06/43,853.94
  6. Step 6: Final answer
    x = 21,407.75

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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.