Home / 30,860.12-42,586.87-16,712.96

Finding the Fourth Proportional to 30,860.12, 42,586.87 and 16,712.96

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Solution

The fourth proportional to 30,860.12, 42,586.87 and 16,712.96 is: 23,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.12 : 42,586.87 = 16,712.96 : x
  2. Step 2: Convert to fraction form
    30,860.12/42,586.87 = 16,712.96/x
  3. Step 3: Cross multiply
    30,860.12x = 42,586.87 × 16,712.96
  4. Step 4: Simplify right side
    30,860.12x = 711,752,358.34
  5. Step 5: Solve for x
    x = 711,752,358.34/30,860.12
  6. Step 6: Final answer
    x = 23,063.83

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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.