Home / 39,588.98-59,388.36-12,934.34

Finding the Fourth Proportional to 39,588.98, 59,388.36 and 12,934.34

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Solution

The fourth proportional to 39,588.98, 59,388.36 and 12,934.34 is: 19,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,588.98 : 59,388.36 = 12,934.34 : x
  2. Step 2: Convert to fraction form
    39,588.98/59,388.36 = 12,934.34/x
  3. Step 3: Cross multiply
    39,588.98x = 59,388.36 × 12,934.34
  4. Step 4: Simplify right side
    39,588.98x = 768,149,240.28
  5. Step 5: Solve for x
    x = 768,149,240.28/39,588.98
  6. Step 6: Final answer
    x = 19,403.11

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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.