Home / 30,860.19-42,587.10-16,713

Finding the Fourth Proportional to 30,860.19, 42,587.10 and 16,713

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Solution

The fourth proportional to 30,860.19, 42,587.10 and 16,713 is: 23,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.19 : 42,587.10 = 16,713 : x
  2. Step 2: Convert to fraction form
    30,860.19/42,587.10 = 16,713/x
  3. Step 3: Cross multiply
    30,860.19x = 42,587.10 × 16,713
  4. Step 4: Simplify right side
    30,860.19x = 711,758,202.30
  5. Step 5: Solve for x
    x = 711,758,202.30/30,860.19
  6. Step 6: Final answer
    x = 23,063.96

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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.