Home / 30,876.04-42,608.76-17,451.64

Finding the Fourth Proportional to 30,876.04, 42,608.76 and 17,451.64

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Solution

The fourth proportional to 30,876.04, 42,608.76 and 17,451.64 is: 24,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,876.04 : 42,608.76 = 17,451.64 : x
  2. Step 2: Convert to fraction form
    30,876.04/42,608.76 = 17,451.64/x
  3. Step 3: Cross multiply
    30,876.04x = 42,608.76 × 17,451.64
  4. Step 4: Simplify right side
    30,876.04x = 743,592,740.37
  5. Step 5: Solve for x
    x = 743,592,740.37/30,876.04
  6. Step 6: Final answer
    x = 24,083.16

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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.