Home / 51,856.47-77,800.85-18,576.82

Finding the Fourth Proportional to 51,856.47, 77,800.85 and 18,576.82

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Solution

The fourth proportional to 51,856.47, 77,800.85 and 18,576.82 is: 27,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,856.47 : 77,800.85 = 18,576.82 : x
  2. Step 2: Convert to fraction form
    51,856.47/77,800.85 = 18,576.82/x
  3. Step 3: Cross multiply
    51,856.47x = 77,800.85 × 18,576.82
  4. Step 4: Simplify right side
    51,856.47x = 1,445,292,386.30
  5. Step 5: Solve for x
    x = 1,445,292,386.30/51,856.47
  6. Step 6: Final answer
    x = 27,871.01

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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.