Home / 30,876.04-42,610.59-17,447.86

Finding the Fourth Proportional to 30,876.04, 42,610.59 and 17,447.86

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Solution

The fourth proportional to 30,876.04, 42,610.59 and 17,447.86 is: 24,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,876.04 : 42,610.59 = 17,447.86 : x
  2. Step 2: Convert to fraction form
    30,876.04/42,610.59 = 17,447.86/x
  3. Step 3: Cross multiply
    30,876.04x = 42,610.59 × 17,447.86
  4. Step 4: Simplify right side
    30,876.04x = 743,463,608.84
  5. Step 5: Solve for x
    x = 743,463,608.84/30,876.04
  6. Step 6: Final answer
    x = 24,078.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.