Home / 42,048.75-63,083.13-14,346.75

Finding the Fourth Proportional to 42,048.75, 63,083.13 and 14,346.75

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Solution

The fourth proportional to 42,048.75, 63,083.13 and 14,346.75 is: 21,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,048.75 : 63,083.13 = 14,346.75 : x
  2. Step 2: Convert to fraction form
    42,048.75/63,083.13 = 14,346.75/x
  3. Step 3: Cross multiply
    42,048.75x = 63,083.13 × 14,346.75
  4. Step 4: Simplify right side
    42,048.75x = 905,037,895.33
  5. Step 5: Solve for x
    x = 905,037,895.33/42,048.75
  6. Step 6: Final answer
    x = 21,523.54

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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.