Home / 20,549.68-30,777.80-16,079.49

Finding the Fourth Proportional to 20,549.68, 30,777.80 and 16,079.49

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Solution

The fourth proportional to 20,549.68, 30,777.80 and 16,079.49 is: 24,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.68 : 30,777.80 = 16,079.49 : x
  2. Step 2: Convert to fraction form
    20,549.68/30,777.80 = 16,079.49/x
  3. Step 3: Cross multiply
    20,549.68x = 30,777.80 × 16,079.49
  4. Step 4: Simplify right side
    20,549.68x = 494,891,327.32
  5. Step 5: Solve for x
    x = 494,891,327.32/20,549.68
  6. Step 6: Final answer
    x = 24,082.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.