Home / 39,909.85-59,852.01-13,618.46

Finding the Fourth Proportional to 39,909.85, 59,852.01 and 13,618.46

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Solution

The fourth proportional to 39,909.85, 59,852.01 and 13,618.46 is: 20,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.85 : 59,852.01 = 13,618.46 : x
  2. Step 2: Convert to fraction form
    39,909.85/59,852.01 = 13,618.46/x
  3. Step 3: Cross multiply
    39,909.85x = 59,852.01 × 13,618.46
  4. Step 4: Simplify right side
    39,909.85x = 815,092,404.80
  5. Step 5: Solve for x
    x = 815,092,404.80/39,909.85
  6. Step 6: Final answer
    x = 20,423.34

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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.