Home / 45,757.68-63,168.53-28,771.27

Finding the Fourth Proportional to 45,757.68, 63,168.53 and 28,771.27

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Solution

The fourth proportional to 45,757.68, 63,168.53 and 28,771.27 is: 39,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,757.68 : 63,168.53 = 28,771.27 : x
  2. Step 2: Convert to fraction form
    45,757.68/63,168.53 = 28,771.27/x
  3. Step 3: Cross multiply
    45,757.68x = 63,168.53 × 28,771.27
  4. Step 4: Simplify right side
    45,757.68x = 1,817,438,372.43
  5. Step 5: Solve for x
    x = 1,817,438,372.43/45,757.68
  6. Step 6: Final answer
    x = 39,718.76

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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.