Home / 41,315.36-61,972.32-13,613.60

Finding the Fourth Proportional to 41,315.36, 61,972.32 and 13,613.60

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Solution

The fourth proportional to 41,315.36, 61,972.32 and 13,613.60 is: 20,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,315.36 : 61,972.32 = 13,613.60 : x
  2. Step 2: Convert to fraction form
    41,315.36/61,972.32 = 13,613.60/x
  3. Step 3: Cross multiply
    41,315.36x = 61,972.32 × 13,613.60
  4. Step 4: Simplify right side
    41,315.36x = 843,666,375.55
  5. Step 5: Solve for x
    x = 843,666,375.55/41,315.36
  6. Step 6: Final answer
    x = 20,420.16

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1.5x scale

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.