Home / 58,184.38-87,283.41-20,749.78

Finding the Fourth Proportional to 58,184.38, 87,283.41 and 20,749.78

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Solution

The fourth proportional to 58,184.38, 87,283.41 and 20,749.78 is: 31,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,184.38 : 87,283.41 = 20,749.78 : x
  2. Step 2: Convert to fraction form
    58,184.38/87,283.41 = 20,749.78/x
  3. Step 3: Cross multiply
    58,184.38x = 87,283.41 × 20,749.78
  4. Step 4: Simplify right side
    58,184.38x = 1,811,111,516.03
  5. Step 5: Solve for x
    x = 1,811,111,516.03/58,184.38
  6. Step 6: Final answer
    x = 31,127.11

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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.