Home / 40,957.34-61,435.40-13,255.34

Finding the Fourth Proportional to 40,957.34, 61,435.40 and 13,255.34

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Solution

The fourth proportional to 40,957.34, 61,435.40 and 13,255.34 is: 19,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,957.34 : 61,435.40 = 13,255.34 : x
  2. Step 2: Convert to fraction form
    40,957.34/61,435.40 = 13,255.34/x
  3. Step 3: Cross multiply
    40,957.34x = 61,435.40 × 13,255.34
  4. Step 4: Simplify right side
    40,957.34x = 814,346,741.58
  5. Step 5: Solve for x
    x = 814,346,741.58/40,957.34
  6. Step 6: Final answer
    x = 19,882.81

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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.