Home / 56,515.50-84,788.37-19,579.50

Finding the Fourth Proportional to 56,515.50, 84,788.37 and 19,579.50

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Solution

The fourth proportional to 56,515.50, 84,788.37 and 19,579.50 is: 29,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,515.50 : 84,788.37 = 19,579.50 : x
  2. Step 2: Convert to fraction form
    56,515.50/84,788.37 = 19,579.50/x
  3. Step 3: Cross multiply
    56,515.50x = 84,788.37 × 19,579.50
  4. Step 4: Simplify right side
    56,515.50x = 1,660,113,890.42
  5. Step 5: Solve for x
    x = 1,660,113,890.42/56,515.50
  6. Step 6: Final answer
    x = 29,374.49

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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.