Home / 30,860.21-42,587.01-16,713.05

Finding the Fourth Proportional to 30,860.21, 42,587.01 and 16,713.05

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Solution

The fourth proportional to 30,860.21, 42,587.01 and 16,713.05 is: 23,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.21 : 42,587.01 = 16,713.05 : x
  2. Step 2: Convert to fraction form
    30,860.21/42,587.01 = 16,713.05/x
  3. Step 3: Cross multiply
    30,860.21x = 42,587.01 × 16,713.05
  4. Step 4: Simplify right side
    30,860.21x = 711,758,614.55
  5. Step 5: Solve for x
    x = 711,758,614.55/30,860.21
  6. Step 6: Final answer
    x = 23,063.96

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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.