Home / 55,894.91-77,136.41-30,402.73

Finding the Fourth Proportional to 55,894.91, 77,136.41 and 30,402.73

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Solution

The fourth proportional to 55,894.91, 77,136.41 and 30,402.73 is: 41,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,894.91 : 77,136.41 = 30,402.73 : x
  2. Step 2: Convert to fraction form
    55,894.91/77,136.41 = 30,402.73/x
  3. Step 3: Cross multiply
    55,894.91x = 77,136.41 × 30,402.73
  4. Step 4: Simplify right side
    55,894.91x = 2,345,157,446.40
  5. Step 5: Solve for x
    x = 2,345,157,446.40/55,894.91
  6. Step 6: Final answer
    x = 41,956.55

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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.