Home / 42,628.70-63,952.42-13,048.82

Finding the Fourth Proportional to 42,628.70, 63,952.42 and 13,048.82

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Solution

The fourth proportional to 42,628.70, 63,952.42 and 13,048.82 is: 19,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.70 : 63,952.42 = 13,048.82 : x
  2. Step 2: Convert to fraction form
    42,628.70/63,952.42 = 13,048.82/x
  3. Step 3: Cross multiply
    42,628.70x = 63,952.42 × 13,048.82
  4. Step 4: Simplify right side
    42,628.70x = 834,503,617.14
  5. Step 5: Solve for x
    x = 834,503,617.14/42,628.70
  6. Step 6: Final answer
    x = 19,576.10

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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.