Home / 55,520.64-83,289.60-18,576

Finding the Fourth Proportional to 55,520.64, 83,289.60 and 18,576

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Solution

The fourth proportional to 55,520.64, 83,289.60 and 18,576 is: 27,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.64 : 83,289.60 = 18,576 : x
  2. Step 2: Convert to fraction form
    55,520.64/83,289.60 = 18,576/x
  3. Step 3: Cross multiply
    55,520.64x = 83,289.60 × 18,576
  4. Step 4: Simplify right side
    55,520.64x = 1,547,187,609.60
  5. Step 5: Solve for x
    x = 1,547,187,609.60/55,520.64
  6. Step 6: Final answer
    x = 27,866.89

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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.