Home / 42,628.48-63,952.09-13,048.60

Finding the Fourth Proportional to 42,628.48, 63,952.09 and 13,048.60

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Solution

The fourth proportional to 42,628.48, 63,952.09 and 13,048.60 is: 19,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.48 : 63,952.09 = 13,048.60 : x
  2. Step 2: Convert to fraction form
    42,628.48/63,952.09 = 13,048.60/x
  3. Step 3: Cross multiply
    42,628.48x = 63,952.09 × 13,048.60
  4. Step 4: Simplify right side
    42,628.48x = 834,485,241.57
  5. Step 5: Solve for x
    x = 834,485,241.57/42,628.48
  6. Step 6: Final answer
    x = 19,575.77

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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.