Home / 53,412.80-80,132.32-18,352.96

Finding the Fourth Proportional to 53,412.80, 80,132.32 and 18,352.96

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Solution

The fourth proportional to 53,412.80, 80,132.32 and 18,352.96 is: 27,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.80 : 80,132.32 = 18,352.96 : x
  2. Step 2: Convert to fraction form
    53,412.80/80,132.32 = 18,352.96/x
  3. Step 3: Cross multiply
    53,412.80x = 80,132.32 × 18,352.96
  4. Step 4: Simplify right side
    53,412.80x = 1,470,665,263.67
  5. Step 5: Solve for x
    x = 1,470,665,263.67/53,412.80
  6. Step 6: Final answer
    x = 27,533.95

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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.