Home / 62,941.42-94,389.64-20,813.72

Finding the Fourth Proportional to 62,941.42, 94,389.64 and 20,813.72

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Solution

The fourth proportional to 62,941.42, 94,389.64 and 20,813.72 is: 31,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,941.42 : 94,389.64 = 20,813.72 : x
  2. Step 2: Convert to fraction form
    62,941.42/94,389.64 = 20,813.72/x
  3. Step 3: Cross multiply
    62,941.42x = 94,389.64 × 20,813.72
  4. Step 4: Simplify right side
    62,941.42x = 1,964,599,537.86
  5. Step 5: Solve for x
    x = 1,964,599,537.86/62,941.42
  6. Step 6: Final answer
    x = 31,213.14

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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.