Home / 30,251.16-45,383.22-12,710.88

Finding the Fourth Proportional to 30,251.16, 45,383.22 and 12,710.88

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Solution

The fourth proportional to 30,251.16, 45,383.22 and 12,710.88 is: 19,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.16 : 45,383.22 = 12,710.88 : x
  2. Step 2: Convert to fraction form
    30,251.16/45,383.22 = 12,710.88/x
  3. Step 3: Cross multiply
    30,251.16x = 45,383.22 × 12,710.88
  4. Step 4: Simplify right side
    30,251.16x = 576,860,663.43
  5. Step 5: Solve for x
    x = 576,860,663.43/30,251.16
  6. Step 6: Final answer
    x = 19,069.04

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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.