Home / 29,859.40-41,204.31-16,428.47

Finding the Fourth Proportional to 29,859.40, 41,204.31 and 16,428.47

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Solution

The fourth proportional to 29,859.40, 41,204.31 and 16,428.47 is: 22,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,859.40 : 41,204.31 = 16,428.47 : x
  2. Step 2: Convert to fraction form
    29,859.40/41,204.31 = 16,428.47/x
  3. Step 3: Cross multiply
    29,859.40x = 41,204.31 × 16,428.47
  4. Step 4: Simplify right side
    29,859.40x = 676,923,770.71
  5. Step 5: Solve for x
    x = 676,923,770.71/29,859.40
  6. Step 6: Final answer
    x = 22,670.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.