Home / 55,313.80-76,337.58-31,447.96

Finding the Fourth Proportional to 55,313.80, 76,337.58 and 31,447.96

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Solution

The fourth proportional to 55,313.80, 76,337.58 and 31,447.96 is: 43,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313.80 : 76,337.58 = 31,447.96 : x
  2. Step 2: Convert to fraction form
    55,313.80/76,337.58 = 31,447.96/x
  3. Step 3: Cross multiply
    55,313.80x = 76,337.58 × 31,447.96
  4. Step 4: Simplify right side
    55,313.80x = 2,400,661,162.34
  5. Step 5: Solve for x
    x = 2,400,661,162.34/55,313.80
  6. Step 6: Final answer
    x = 43,400.76

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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.