Home / 30,650.07-45,975.01-8,160.74

Finding the Fourth Proportional to 30,650.07, 45,975.01 and 8,160.74

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Solution

The fourth proportional to 30,650.07, 45,975.01 and 8,160.74 is: 12,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,650.07 : 45,975.01 = 8,160.74 : x
  2. Step 2: Convert to fraction form
    30,650.07/45,975.01 = 8,160.74/x
  3. Step 3: Cross multiply
    30,650.07x = 45,975.01 × 8,160.74
  4. Step 4: Simplify right side
    30,650.07x = 375,190,103.11
  5. Step 5: Solve for x
    x = 375,190,103.11/30,650.07
  6. Step 6: Final answer
    x = 12,241.08

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Similar ratio
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1.5x scale

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.