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Finding the Fourth Proportional to 29,406.34, 44,108.79 and 7,219.54

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Solution

The fourth proportional to 29,406.34, 44,108.79 and 7,219.54 is: 10,829.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,406.34 : 44,108.79 = 7,219.54 : x
  2. Step 2: Convert to fraction form
    29,406.34/44,108.79 = 7,219.54/x
  3. Step 3: Cross multiply
    29,406.34x = 44,108.79 × 7,219.54
  4. Step 4: Simplify right side
    29,406.34x = 318,445,173.76
  5. Step 5: Solve for x
    x = 318,445,173.76/29,406.34
  6. Step 6: Final answer
    x = 10,829.13

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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.