Home / 56,576.49-84,875.11-18,627.92

Finding the Fourth Proportional to 56,576.49, 84,875.11 and 18,627.92

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Solution

The fourth proportional to 56,576.49, 84,875.11 and 18,627.92 is: 27,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576.49 : 84,875.11 = 18,627.92 : x
  2. Step 2: Convert to fraction form
    56,576.49/84,875.11 = 18,627.92/x
  3. Step 3: Cross multiply
    56,576.49x = 84,875.11 × 18,627.92
  4. Step 4: Simplify right side
    56,576.49x = 1,581,046,606.41
  5. Step 5: Solve for x
    x = 1,581,046,606.41/56,576.49
  6. Step 6: Final answer
    x = 27,945.30

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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.