Home / 55,559.76-76,673.07-31,687.83

Finding the Fourth Proportional to 55,559.76, 76,673.07 and 31,687.83

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Solution

The fourth proportional to 55,559.76, 76,673.07 and 31,687.83 is: 43,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,559.76 : 76,673.07 = 31,687.83 : x
  2. Step 2: Convert to fraction form
    55,559.76/76,673.07 = 31,687.83/x
  3. Step 3: Cross multiply
    55,559.76x = 76,673.07 × 31,687.83
  4. Step 4: Simplify right side
    55,559.76x = 2,429,603,207.74
  5. Step 5: Solve for x
    x = 2,429,603,207.74/55,559.76
  6. Step 6: Final answer
    x = 43,729.55

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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.