Home / 55,318.37-76,339.40-31,444.43

Finding the Fourth Proportional to 55,318.37, 76,339.40 and 31,444.43

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Solution

The fourth proportional to 55,318.37, 76,339.40 and 31,444.43 is: 43,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.37 : 76,339.40 = 31,444.43 : x
  2. Step 2: Convert to fraction form
    55,318.37/76,339.40 = 31,444.43/x
  3. Step 3: Cross multiply
    55,318.37x = 76,339.40 × 31,444.43
  4. Step 4: Simplify right side
    55,318.37x = 2,400,448,380.62
  5. Step 5: Solve for x
    x = 2,400,448,380.62/55,318.37
  6. Step 6: Final answer
    x = 43,393.34

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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.