Home / 30,637.39-45,950.62-8,148.20

Finding the Fourth Proportional to 30,637.39, 45,950.62 and 8,148.20

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Solution

The fourth proportional to 30,637.39, 45,950.62 and 8,148.20 is: 12,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.39 : 45,950.62 = 8,148.20 : x
  2. Step 2: Convert to fraction form
    30,637.39/45,950.62 = 8,148.20/x
  3. Step 3: Cross multiply
    30,637.39x = 45,950.62 × 8,148.20
  4. Step 4: Simplify right side
    30,637.39x = 374,414,584.12
  5. Step 5: Solve for x
    x = 374,414,584.12/30,637.39
  6. Step 6: Final answer
    x = 12,220.84

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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.