Home / 56,780.79-85,184.37-19,341.18

Finding the Fourth Proportional to 56,780.79, 85,184.37 and 19,341.18

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Solution

The fourth proportional to 56,780.79, 85,184.37 and 19,341.18 is: 29,016.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,780.79 : 85,184.37 = 19,341.18 : x
  2. Step 2: Convert to fraction form
    56,780.79/85,184.37 = 19,341.18/x
  3. Step 3: Cross multiply
    56,780.79x = 85,184.37 × 19,341.18
  4. Step 4: Simplify right side
    56,780.79x = 1,647,566,233.36
  5. Step 5: Solve for x
    x = 1,647,566,233.36/56,780.79
  6. Step 6: Final answer
    x = 29,016.26

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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.