Home / 29,621.44-44,446.64-12,979.20

Finding the Fourth Proportional to 29,621.44, 44,446.64 and 12,979.20

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Solution

The fourth proportional to 29,621.44, 44,446.64 and 12,979.20 is: 19,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,621.44 : 44,446.64 = 12,979.20 : x
  2. Step 2: Convert to fraction form
    29,621.44/44,446.64 = 12,979.20/x
  3. Step 3: Cross multiply
    29,621.44x = 44,446.64 × 12,979.20
  4. Step 4: Simplify right side
    29,621.44x = 576,881,829.89
  5. Step 5: Solve for x
    x = 576,881,829.89/29,621.44
  6. Step 6: Final answer
    x = 19,475.14

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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.