Home / 51,372.82-70,887.36-28,708.96

Finding the Fourth Proportional to 51,372.82, 70,887.36 and 28,708.96

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Solution

The fourth proportional to 51,372.82, 70,887.36 and 28,708.96 is: 39,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,372.82 : 70,887.36 = 28,708.96 : x
  2. Step 2: Convert to fraction form
    51,372.82/70,887.36 = 28,708.96/x
  3. Step 3: Cross multiply
    51,372.82x = 70,887.36 × 28,708.96
  4. Step 4: Simplify right side
    51,372.82x = 2,035,102,382.75
  5. Step 5: Solve for x
    x = 2,035,102,382.75/51,372.82
  6. Step 6: Final answer
    x = 39,614.38

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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.