Home / 35,811.18-53,708.67-13,616.64

Finding the Fourth Proportional to 35,811.18, 53,708.67 and 13,616.64

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Solution

The fourth proportional to 35,811.18, 53,708.67 and 13,616.64 is: 20,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.18 : 53,708.67 = 13,616.64 : x
  2. Step 2: Convert to fraction form
    35,811.18/53,708.67 = 13,616.64/x
  3. Step 3: Cross multiply
    35,811.18x = 53,708.67 × 13,616.64
  4. Step 4: Simplify right side
    35,811.18x = 731,331,624.27
  5. Step 5: Solve for x
    x = 731,331,624.27/35,811.18
  6. Step 6: Final answer
    x = 20,421.88

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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.