Home / 55,021.11-82,535.18-15,581.34

Finding the Fourth Proportional to 55,021.11, 82,535.18 and 15,581.34

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Solution

The fourth proportional to 55,021.11, 82,535.18 and 15,581.34 is: 23,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.11 : 82,535.18 = 15,581.34 : x
  2. Step 2: Convert to fraction form
    55,021.11/82,535.18 = 15,581.34/x
  3. Step 3: Cross multiply
    55,021.11x = 82,535.18 × 15,581.34
  4. Step 4: Simplify right side
    55,021.11x = 1,286,008,623.63
  5. Step 5: Solve for x
    x = 1,286,008,623.63/55,021.11
  6. Step 6: Final answer
    x = 23,373.00

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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.