Home / 51,887.76-71,614.44-40,690.32

Finding the Fourth Proportional to 51,887.76, 71,614.44 and 40,690.32

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Solution

The fourth proportional to 51,887.76, 71,614.44 and 40,690.32 is: 56,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,887.76 : 71,614.44 = 40,690.32 : x
  2. Step 2: Convert to fraction form
    51,887.76/71,614.44 = 40,690.32/x
  3. Step 3: Cross multiply
    51,887.76x = 71,614.44 × 40,690.32
  4. Step 4: Simplify right side
    51,887.76x = 2,914,014,480.22
  5. Step 5: Solve for x
    x = 2,914,014,480.22/51,887.76
  6. Step 6: Final answer
    x = 56,159.96

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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.