Home / 56,716.28-85,078.36-19,261.08

Finding the Fourth Proportional to 56,716.28, 85,078.36 and 19,261.08

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Solution

The fourth proportional to 56,716.28, 85,078.36 and 19,261.08 is: 28,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,716.28 : 85,078.36 = 19,261.08 : x
  2. Step 2: Convert to fraction form
    56,716.28/85,078.36 = 19,261.08/x
  3. Step 3: Cross multiply
    56,716.28x = 85,078.36 × 19,261.08
  4. Step 4: Simplify right side
    56,716.28x = 1,638,701,098.23
  5. Step 5: Solve for x
    x = 1,638,701,098.23/56,716.28
  6. Step 6: Final answer
    x = 28,892.96

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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.