Home / 55,440.88-76,508.41-30,290.38

Finding the Fourth Proportional to 55,440.88, 76,508.41 and 30,290.38

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Solution

The fourth proportional to 55,440.88, 76,508.41 and 30,290.38 is: 41,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.88 : 76,508.41 = 30,290.38 : x
  2. Step 2: Convert to fraction form
    55,440.88/76,508.41 = 30,290.38/x
  3. Step 3: Cross multiply
    55,440.88x = 76,508.41 × 30,290.38
  4. Step 4: Simplify right side
    55,440.88x = 2,317,468,812.10
  5. Step 5: Solve for x
    x = 2,317,468,812.10/55,440.88
  6. Step 6: Final answer
    x = 41,800.72

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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.