Home / 55,713.69-76,890.15-31,835.75

Finding the Fourth Proportional to 55,713.69, 76,890.15 and 31,835.75

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Solution

The fourth proportional to 55,713.69, 76,890.15 and 31,835.75 is: 43,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.69 : 76,890.15 = 31,835.75 : x
  2. Step 2: Convert to fraction form
    55,713.69/76,890.15 = 31,835.75/x
  3. Step 3: Cross multiply
    55,713.69x = 76,890.15 × 31,835.75
  4. Step 4: Simplify right side
    55,713.69x = 2,447,855,208.41
  5. Step 5: Solve for x
    x = 2,447,855,208.41/55,713.69
  6. Step 6: Final answer
    x = 43,936.33

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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.