Home / 55,540.83-76,648.28-30,392.67

Finding the Fourth Proportional to 55,540.83, 76,648.28 and 30,392.67

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Solution

The fourth proportional to 55,540.83, 76,648.28 and 30,392.67 is: 41,942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,540.83 : 76,648.28 = 30,392.67 : x
  2. Step 2: Convert to fraction form
    55,540.83/76,648.28 = 30,392.67/x
  3. Step 3: Cross multiply
    55,540.83x = 76,648.28 × 30,392.67
  4. Step 4: Simplify right side
    55,540.83x = 2,329,545,728.14
  5. Step 5: Solve for x
    x = 2,329,545,728.14/55,540.83
  6. Step 6: Final answer
    x = 41,942.94

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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.