Home / 43,880.15-65,827.05-14,291.10

Finding the Fourth Proportional to 43,880.15, 65,827.05 and 14,291.10

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Solution

The fourth proportional to 43,880.15, 65,827.05 and 14,291.10 is: 21,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.15 : 65,827.05 = 14,291.10 : x
  2. Step 2: Convert to fraction form
    43,880.15/65,827.05 = 14,291.10/x
  3. Step 3: Cross multiply
    43,880.15x = 65,827.05 × 14,291.10
  4. Step 4: Simplify right side
    43,880.15x = 940,740,954.26
  5. Step 5: Solve for x
    x = 940,740,954.26/43,880.15
  6. Step 6: Final answer
    x = 21,438.88

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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.