Home / 53,765.48-80,565.18-28,808.84

Finding the Fourth Proportional to 53,765.48, 80,565.18 and 28,808.84

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Solution

The fourth proportional to 53,765.48, 80,565.18 and 28,808.84 is: 43,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.48 : 80,565.18 = 28,808.84 : x
  2. Step 2: Convert to fraction form
    53,765.48/80,565.18 = 28,808.84/x
  3. Step 3: Cross multiply
    53,765.48x = 80,565.18 × 28,808.84
  4. Step 4: Simplify right side
    53,765.48x = 2,320,989,380.19
  5. Step 5: Solve for x
    x = 2,320,989,380.19/53,765.48
  6. Step 6: Final answer
    x = 43,168.77

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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.