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Finding the Fourth Proportional to 43,960, 65,943.04 and 17,664.72

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Solution

The fourth proportional to 43,960, 65,943.04 and 17,664.72 is: 26,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,960 : 65,943.04 = 17,664.72 : x
  2. Step 2: Convert to fraction form
    43,960/65,943.04 = 17,664.72/x
  3. Step 3: Cross multiply
    43,960x = 65,943.04 × 17,664.72
  4. Step 4: Simplify right side
    43,960x = 1,164,865,337.55
  5. Step 5: Solve for x
    x = 1,164,865,337.55/43,960
  6. Step 6: Final answer
    x = 26,498.30

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1.5x scale

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.