Home / 55,054.64-75,976.40-31,186.27

Finding the Fourth Proportional to 55,054.64, 75,976.40 and 31,186.27

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Solution

The fourth proportional to 55,054.64, 75,976.40 and 31,186.27 is: 43,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,054.64 : 75,976.40 = 31,186.27 : x
  2. Step 2: Convert to fraction form
    55,054.64/75,976.40 = 31,186.27/x
  3. Step 3: Cross multiply
    55,054.64x = 75,976.40 × 31,186.27
  4. Step 4: Simplify right side
    55,054.64x = 2,369,420,524.03
  5. Step 5: Solve for x
    x = 2,369,420,524.03/55,054.64
  6. Step 6: Final answer
    x = 43,037.62

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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.