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Finding the Fourth Proportional to 29,841.96, 44,762.96 and 14,212.20

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Solution

The fourth proportional to 29,841.96, 44,762.96 and 14,212.20 is: 21,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,841.96 : 44,762.96 = 14,212.20 : x
  2. Step 2: Convert to fraction form
    29,841.96/44,762.96 = 14,212.20/x
  3. Step 3: Cross multiply
    29,841.96x = 44,762.96 × 14,212.20
  4. Step 4: Simplify right side
    29,841.96x = 636,180,140.11
  5. Step 5: Solve for x
    x = 636,180,140.11/29,841.96
  6. Step 6: Final answer
    x = 21,318.31

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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.