Home / 43,732.60-65,615.10-14,151.40

Finding the Fourth Proportional to 43,732.60, 65,615.10 and 14,151.40

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Solution

The fourth proportional to 43,732.60, 65,615.10 and 14,151.40 is: 21,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,732.60 : 65,615.10 = 14,151.40 : x
  2. Step 2: Convert to fraction form
    43,732.60/65,615.10 = 14,151.40/x
  3. Step 3: Cross multiply
    43,732.60x = 65,615.10 × 14,151.40
  4. Step 4: Simplify right side
    43,732.60x = 928,545,526.14
  5. Step 5: Solve for x
    x = 928,545,526.14/43,732.60
  6. Step 6: Final answer
    x = 21,232.34

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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.