Home / 30,335.25-45,502.97-9,275.21

Finding the Fourth Proportional to 30,335.25, 45,502.97 and 9,275.21

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Solution

The fourth proportional to 30,335.25, 45,502.97 and 9,275.21 is: 13,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.25 : 45,502.97 = 9,275.21 : x
  2. Step 2: Convert to fraction form
    30,335.25/45,502.97 = 9,275.21/x
  3. Step 3: Cross multiply
    30,335.25x = 45,502.97 × 9,275.21
  4. Step 4: Simplify right side
    30,335.25x = 422,049,374.86
  5. Step 5: Solve for x
    x = 422,049,374.86/30,335.25
  6. Step 6: Final answer
    x = 13,912.84

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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.