Home / 55,609.18-76,740.71-30,115.58

Finding the Fourth Proportional to 55,609.18, 76,740.71 and 30,115.58

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Solution

The fourth proportional to 55,609.18, 76,740.71 and 30,115.58 is: 41,559.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.18 : 76,740.71 = 30,115.58 : x
  2. Step 2: Convert to fraction form
    55,609.18/76,740.71 = 30,115.58/x
  3. Step 3: Cross multiply
    55,609.18x = 76,740.71 × 30,115.58
  4. Step 4: Simplify right side
    55,609.18x = 2,311,090,840.68
  5. Step 5: Solve for x
    x = 2,311,090,840.68/55,609.18
  6. Step 6: Final answer
    x = 41,559.52

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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.