Home / 55,741.86-76,923.84-31,869.06

Finding the Fourth Proportional to 55,741.86, 76,923.84 and 31,869.06

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Solution

The fourth proportional to 55,741.86, 76,923.84 and 31,869.06 is: 43,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.86 : 76,923.84 = 31,869.06 : x
  2. Step 2: Convert to fraction form
    55,741.86/76,923.84 = 31,869.06/x
  3. Step 3: Cross multiply
    55,741.86x = 76,923.84 × 31,869.06
  4. Step 4: Simplify right side
    55,741.86x = 2,451,490,472.39
  5. Step 5: Solve for x
    x = 2,451,490,472.39/55,741.86
  6. Step 6: Final answer
    x = 43,979.34

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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.