Home / 40,851.23-61,263.89-13,142.75

Finding the Fourth Proportional to 40,851.23, 61,263.89 and 13,142.75

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Solution

The fourth proportional to 40,851.23, 61,263.89 and 13,142.75 is: 19,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,851.23 : 61,263.89 = 13,142.75 : x
  2. Step 2: Convert to fraction form
    40,851.23/61,263.89 = 13,142.75/x
  3. Step 3: Cross multiply
    40,851.23x = 61,263.89 × 13,142.75
  4. Step 4: Simplify right side
    40,851.23x = 805,175,924.58
  5. Step 5: Solve for x
    x = 805,175,924.58/40,851.23
  6. Step 6: Final answer
    x = 19,709.96

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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.