Home / 30,860.08-42,586.90-16,712.92

Finding the Fourth Proportional to 30,860.08, 42,586.90 and 16,712.92

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Solution

The fourth proportional to 30,860.08, 42,586.90 and 16,712.92 is: 23,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.08 : 42,586.90 = 16,712.92 : x
  2. Step 2: Convert to fraction form
    30,860.08/42,586.90 = 16,712.92/x
  3. Step 3: Cross multiply
    30,860.08x = 42,586.90 × 16,712.92
  4. Step 4: Simplify right side
    30,860.08x = 711,751,452.75
  5. Step 5: Solve for x
    x = 711,751,452.75/30,860.08
  6. Step 6: Final answer
    x = 23,063.82

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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.