Home / 55,478.08-76,568.88-43,631.56

Finding the Fourth Proportional to 55,478.08, 76,568.88 and 43,631.56

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Solution

The fourth proportional to 55,478.08, 76,568.88 and 43,631.56 is: 60,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,478.08 : 76,568.88 = 43,631.56 : x
  2. Step 2: Convert to fraction form
    55,478.08/76,568.88 = 43,631.56/x
  3. Step 3: Cross multiply
    55,478.08x = 76,568.88 × 43,631.56
  4. Step 4: Simplify right side
    55,478.08x = 3,340,819,681.85
  5. Step 5: Solve for x
    x = 3,340,819,681.85/55,478.08
  6. Step 6: Final answer
    x = 60,218.73

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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.