Home / 56,774.79-85,175.37-19,335.18

Finding the Fourth Proportional to 56,774.79, 85,175.37 and 19,335.18

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Solution

The fourth proportional to 56,774.79, 85,175.37 and 19,335.18 is: 29,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,774.79 : 85,175.37 = 19,335.18 : x
  2. Step 2: Convert to fraction form
    56,774.79/85,175.37 = 19,335.18/x
  3. Step 3: Cross multiply
    56,774.79x = 85,175.37 × 19,335.18
  4. Step 4: Simplify right side
    56,774.79x = 1,646,881,183.57
  5. Step 5: Solve for x
    x = 1,646,881,183.57/56,774.79
  6. Step 6: Final answer
    x = 29,007.26

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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.