Home / 55,170.72-76,124.07-36,078.48

Finding the Fourth Proportional to 55,170.72, 76,124.07 and 36,078.48

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Solution

The fourth proportional to 55,170.72, 76,124.07 and 36,078.48 is: 49,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.72 : 76,124.07 = 36,078.48 : x
  2. Step 2: Convert to fraction form
    55,170.72/76,124.07 = 36,078.48/x
  3. Step 3: Cross multiply
    55,170.72x = 76,124.07 × 36,078.48
  4. Step 4: Simplify right side
    55,170.72x = 2,746,440,737.01
  5. Step 5: Solve for x
    x = 2,746,440,737.01/55,170.72
  6. Step 6: Final answer
    x = 49,780.77

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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.