Home / 55,225.85-82,851.76-15,781.94

Finding the Fourth Proportional to 55,225.85, 82,851.76 and 15,781.94

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Solution

The fourth proportional to 55,225.85, 82,851.76 and 15,781.94 is: 23,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225.85 : 82,851.76 = 15,781.94 : x
  2. Step 2: Convert to fraction form
    55,225.85/82,851.76 = 15,781.94/x
  3. Step 3: Cross multiply
    55,225.85x = 82,851.76 × 15,781.94
  4. Step 4: Simplify right side
    55,225.85x = 1,307,561,421.38
  5. Step 5: Solve for x
    x = 1,307,561,421.38/55,225.85
  6. Step 6: Final answer
    x = 23,676.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.