Home / 41,211.89-61,814.41-13,130.81

Finding the Fourth Proportional to 41,211.89, 61,814.41 and 13,130.81

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Solution

The fourth proportional to 41,211.89, 61,814.41 and 13,130.81 is: 19,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,211.89 : 61,814.41 = 13,130.81 : x
  2. Step 2: Convert to fraction form
    41,211.89/61,814.41 = 13,130.81/x
  3. Step 3: Cross multiply
    41,211.89x = 61,814.41 × 13,130.81
  4. Step 4: Simplify right side
    41,211.89x = 811,672,898.25
  5. Step 5: Solve for x
    x = 811,672,898.25/41,211.89
  6. Step 6: Final answer
    x = 19,695.12

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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.