Home / 53,563.85-80,355.93-21,545.37

Finding the Fourth Proportional to 53,563.85, 80,355.93 and 21,545.37

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Solution

The fourth proportional to 53,563.85, 80,355.93 and 21,545.37 is: 32,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,563.85 : 80,355.93 = 21,545.37 : x
  2. Step 2: Convert to fraction form
    53,563.85/80,355.93 = 21,545.37/x
  3. Step 3: Cross multiply
    53,563.85x = 80,355.93 × 21,545.37
  4. Step 4: Simplify right side
    53,563.85x = 1,731,298,162.75
  5. Step 5: Solve for x
    x = 1,731,298,162.75/53,563.85
  6. Step 6: Final answer
    x = 32,322.14

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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.