Home / 55,540.79-76,645.95-30,047.05

Finding the Fourth Proportional to 55,540.79, 76,645.95 and 30,047.05

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Solution

The fourth proportional to 55,540.79, 76,645.95 and 30,047.05 is: 41,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.79 : 76,645.95 = 30,047.05 : x
  2. Step 2: Convert to fraction form
    55,540.79/76,645.95 = 30,047.05/x
  3. Step 3: Cross multiply
    55,540.79x = 76,645.95 × 30,047.05
  4. Step 4: Simplify right side
    55,540.79x = 2,302,984,675.08
  5. Step 5: Solve for x
    x = 2,302,984,675.08/55,540.79
  6. Step 6: Final answer
    x = 41,464.75

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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.