Home / 55,607.12-76,737.87-30,113.69

Finding the Fourth Proportional to 55,607.12, 76,737.87 and 30,113.69

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Solution

The fourth proportional to 55,607.12, 76,737.87 and 30,113.69 is: 41,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.12 : 76,737.87 = 30,113.69 : x
  2. Step 2: Convert to fraction form
    55,607.12/76,737.87 = 30,113.69/x
  3. Step 3: Cross multiply
    55,607.12x = 76,737.87 × 30,113.69
  4. Step 4: Simplify right side
    55,607.12x = 2,310,860,044.75
  5. Step 5: Solve for x
    x = 2,310,860,044.75/55,607.12
  6. Step 6: Final answer
    x = 41,556.91

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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.