Home / 42,394.75-63,593.34-11,230

Finding the Fourth Proportional to 42,394.75, 63,593.34 and 11,230

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Solution

The fourth proportional to 42,394.75, 63,593.34 and 11,230 is: 16,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,394.75 : 63,593.34 = 11,230 : x
  2. Step 2: Convert to fraction form
    42,394.75/63,593.34 = 11,230/x
  3. Step 3: Cross multiply
    42,394.75x = 63,593.34 × 11,230
  4. Step 4: Simplify right side
    42,394.75x = 714,153,208.20
  5. Step 5: Solve for x
    x = 714,153,208.20/42,394.75
  6. Step 6: Final answer
    x = 16,845.32

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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.