Home / 55,064.81-75,989.44-32,708.81

Finding the Fourth Proportional to 55,064.81, 75,989.44 and 32,708.81

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Solution

The fourth proportional to 55,064.81, 75,989.44 and 32,708.81 is: 45,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064.81 : 75,989.44 = 32,708.81 : x
  2. Step 2: Convert to fraction form
    55,064.81/75,989.44 = 32,708.81/x
  3. Step 3: Cross multiply
    55,064.81x = 75,989.44 × 32,708.81
  4. Step 4: Simplify right side
    55,064.81x = 2,485,524,385.83
  5. Step 5: Solve for x
    x = 2,485,524,385.83/55,064.81
  6. Step 6: Final answer
    x = 45,138.16

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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.