Home / 55,536.45-76,642.34-31,662.87

Finding the Fourth Proportional to 55,536.45, 76,642.34 and 31,662.87

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Solution

The fourth proportional to 55,536.45, 76,642.34 and 31,662.87 is: 43,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.45 : 76,642.34 = 31,662.87 : x
  2. Step 2: Convert to fraction form
    55,536.45/76,642.34 = 31,662.87/x
  3. Step 3: Cross multiply
    55,536.45x = 76,642.34 × 31,662.87
  4. Step 4: Simplify right side
    55,536.45x = 2,426,716,289.60
  5. Step 5: Solve for x
    x = 2,426,716,289.60/55,536.45
  6. Step 6: Final answer
    x = 43,695.92

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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.