Home / 40,959.34-61,438.39-13,257.34

Finding the Fourth Proportional to 40,959.34, 61,438.39 and 13,257.34

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Solution

The fourth proportional to 40,959.34, 61,438.39 and 13,257.34 is: 19,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,959.34 : 61,438.39 = 13,257.34 : x
  2. Step 2: Convert to fraction form
    40,959.34/61,438.39 = 13,257.34/x
  3. Step 3: Cross multiply
    40,959.34x = 61,438.39 × 13,257.34
  4. Step 4: Simplify right side
    40,959.34x = 814,509,625.28
  5. Step 5: Solve for x
    x = 814,509,625.28/40,959.34
  6. Step 6: Final answer
    x = 19,885.81

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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.