Home / 51,090.75-70,505.24-28,734.75

Finding the Fourth Proportional to 51,090.75, 70,505.24 and 28,734.75

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Solution

The fourth proportional to 51,090.75, 70,505.24 and 28,734.75 is: 39,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.75 : 70,505.24 = 28,734.75 : x
  2. Step 2: Convert to fraction form
    51,090.75/70,505.24 = 28,734.75/x
  3. Step 3: Cross multiply
    51,090.75x = 70,505.24 × 28,734.75
  4. Step 4: Simplify right side
    51,090.75x = 2,025,950,301.42
  5. Step 5: Solve for x
    x = 2,025,950,301.42/51,090.75
  6. Step 6: Final answer
    x = 39,653.96

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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.