Home / 55,142.34-76,055.68-34,981.86

Finding the Fourth Proportional to 55,142.34, 76,055.68 and 34,981.86

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Solution

The fourth proportional to 55,142.34, 76,055.68 and 34,981.86 is: 48,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142.34 : 76,055.68 = 34,981.86 : x
  2. Step 2: Convert to fraction form
    55,142.34/76,055.68 = 34,981.86/x
  3. Step 3: Cross multiply
    55,142.34x = 76,055.68 × 34,981.86
  4. Step 4: Simplify right side
    55,142.34x = 2,660,569,149.96
  5. Step 5: Solve for x
    x = 2,660,569,149.96/55,142.34
  6. Step 6: Final answer
    x = 48,249.12

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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.