Home / 56,911.16-85,376.01-21,375.25

Finding the Fourth Proportional to 56,911.16, 85,376.01 and 21,375.25

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Solution

The fourth proportional to 56,911.16, 85,376.01 and 21,375.25 is: 32,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911.16 : 85,376.01 = 21,375.25 : x
  2. Step 2: Convert to fraction form
    56,911.16/85,376.01 = 21,375.25/x
  3. Step 3: Cross multiply
    56,911.16x = 85,376.01 × 21,375.25
  4. Step 4: Simplify right side
    56,911.16x = 1,824,933,557.75
  5. Step 5: Solve for x
    x = 1,824,933,557.75/56,911.16
  6. Step 6: Final answer
    x = 32,066.36

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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.