Home / 41,302.71-61,985.22-19,131.64

Finding the Fourth Proportional to 41,302.71, 61,985.22 and 19,131.64

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Solution

The fourth proportional to 41,302.71, 61,985.22 and 19,131.64 is: 28,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,302.71 : 61,985.22 = 19,131.64 : x
  2. Step 2: Convert to fraction form
    41,302.71/61,985.22 = 19,131.64/x
  3. Step 3: Cross multiply
    41,302.71x = 61,985.22 × 19,131.64
  4. Step 4: Simplify right side
    41,302.71x = 1,185,878,914.36
  5. Step 5: Solve for x
    x = 1,185,878,914.36/41,302.71
  6. Step 6: Final answer
    x = 28,711.89

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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.