Home / 55,609.00-76,740.45-30,115.56

Finding the Fourth Proportional to 55,609.00, 76,740.45 and 30,115.56

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Solution

The fourth proportional to 55,609.00, 76,740.45 and 30,115.56 is: 41,559.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.00 : 76,740.45 = 30,115.56 : x
  2. Step 2: Convert to fraction form
    55,609.00/76,740.45 = 30,115.56/x
  3. Step 3: Cross multiply
    55,609.00x = 76,740.45 × 30,115.56
  4. Step 4: Simplify right side
    55,609.00x = 2,311,081,626.40
  5. Step 5: Solve for x
    x = 2,311,081,626.40/55,609.00
  6. Step 6: Final answer
    x = 41,559.49

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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.