Home / 56,157.16-84,207.60-18,704.08

Finding the Fourth Proportional to 56,157.16, 84,207.60 and 18,704.08

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Solution

The fourth proportional to 56,157.16, 84,207.60 and 18,704.08 is: 28,046.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.16 : 84,207.60 = 18,704.08 : x
  2. Step 2: Convert to fraction form
    56,157.16/84,207.60 = 18,704.08/x
  3. Step 3: Cross multiply
    56,157.16x = 84,207.60 × 18,704.08
  4. Step 4: Simplify right side
    56,157.16x = 1,575,025,687.01
  5. Step 5: Solve for x
    x = 1,575,025,687.01/56,157.16
  6. Step 6: Final answer
    x = 28,046.75

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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.