Home / 42,576.28-63,898.44-19,204.54

Finding the Fourth Proportional to 42,576.28, 63,898.44 and 19,204.54

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Solution

The fourth proportional to 42,576.28, 63,898.44 and 19,204.54 is: 28,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,576.28 : 63,898.44 = 19,204.54 : x
  2. Step 2: Convert to fraction form
    42,576.28/63,898.44 = 19,204.54/x
  3. Step 3: Cross multiply
    42,576.28x = 63,898.44 × 19,204.54
  4. Step 4: Simplify right side
    42,576.28x = 1,227,140,146.92
  5. Step 5: Solve for x
    x = 1,227,140,146.92/42,576.28
  6. Step 6: Final answer
    x = 28,822.16

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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.