Home / 51,784.16-71,445.44-30,568.64

Finding the Fourth Proportional to 51,784.16, 71,445.44 and 30,568.64

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Solution

The fourth proportional to 51,784.16, 71,445.44 and 30,568.64 is: 42,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,784.16 : 71,445.44 = 30,568.64 : x
  2. Step 2: Convert to fraction form
    51,784.16/71,445.44 = 30,568.64/x
  3. Step 3: Cross multiply
    51,784.16x = 71,445.44 × 30,568.64
  4. Step 4: Simplify right side
    51,784.16x = 2,183,989,935.00
  5. Step 5: Solve for x
    x = 2,183,989,935.00/51,784.16
  6. Step 6: Final answer
    x = 42,174.86

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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.