Home / 30,254.67-45,354.33-12,725.73

Finding the Fourth Proportional to 30,254.67, 45,354.33 and 12,725.73

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Solution

The fourth proportional to 30,254.67, 45,354.33 and 12,725.73 is: 19,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.67 : 45,354.33 = 12,725.73 : x
  2. Step 2: Convert to fraction form
    30,254.67/45,354.33 = 12,725.73/x
  3. Step 3: Cross multiply
    30,254.67x = 45,354.33 × 12,725.73
  4. Step 4: Simplify right side
    30,254.67x = 577,166,957.91
  5. Step 5: Solve for x
    x = 577,166,957.91/30,254.67
  6. Step 6: Final answer
    x = 19,076.95

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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.