Home / 29,721.40-44,607.30-12,203.80

Finding the Fourth Proportional to 29,721.40, 44,607.30 and 12,203.80

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Solution

The fourth proportional to 29,721.40, 44,607.30 and 12,203.80 is: 18,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.40 : 44,607.30 = 12,203.80 : x
  2. Step 2: Convert to fraction form
    29,721.40/44,607.30 = 12,203.80/x
  3. Step 3: Cross multiply
    29,721.40x = 44,607.30 × 12,203.80
  4. Step 4: Simplify right side
    29,721.40x = 544,378,567.74
  5. Step 5: Solve for x
    x = 544,378,567.74/29,721.40
  6. Step 6: Final answer
    x = 18,316.05

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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.