Home / 30,904.92-42,648.75-16,757.73

Finding the Fourth Proportional to 30,904.92, 42,648.75 and 16,757.73

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Solution

The fourth proportional to 30,904.92, 42,648.75 and 16,757.73 is: 23,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.92 : 42,648.75 = 16,757.73 : x
  2. Step 2: Convert to fraction form
    30,904.92/42,648.75 = 16,757.73/x
  3. Step 3: Cross multiply
    30,904.92x = 42,648.75 × 16,757.73
  4. Step 4: Simplify right side
    30,904.92x = 714,696,237.34
  5. Step 5: Solve for x
    x = 714,696,237.34/30,904.92
  6. Step 6: Final answer
    x = 23,125.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.