Home / 43,871.16-65,792.56-14,281.88

Finding the Fourth Proportional to 43,871.16, 65,792.56 and 14,281.88

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Solution

The fourth proportional to 43,871.16, 65,792.56 and 14,281.88 is: 21,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,871.16 : 65,792.56 = 14,281.88 : x
  2. Step 2: Convert to fraction form
    43,871.16/65,792.56 = 14,281.88/x
  3. Step 3: Cross multiply
    43,871.16x = 65,792.56 × 14,281.88
  4. Step 4: Simplify right side
    43,871.16x = 939,641,446.81
  5. Step 5: Solve for x
    x = 939,641,446.81/43,871.16
  6. Step 6: Final answer
    x = 21,418.20

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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.