Home / 55,078.08-76,007.61-29,927.58

Finding the Fourth Proportional to 55,078.08, 76,007.61 and 29,927.58

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Solution

The fourth proportional to 55,078.08, 76,007.61 and 29,927.58 is: 41,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078.08 : 76,007.61 = 29,927.58 : x
  2. Step 2: Convert to fraction form
    55,078.08/76,007.61 = 29,927.58/x
  3. Step 3: Cross multiply
    55,078.08x = 76,007.61 × 29,927.58
  4. Step 4: Simplify right side
    55,078.08x = 2,274,723,828.88
  5. Step 5: Solve for x
    x = 2,274,723,828.88/55,078.08
  6. Step 6: Final answer
    x = 41,299.98

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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.