Home / 53,831.52-80,779.68-18,795.78

Finding the Fourth Proportional to 53,831.52, 80,779.68 and 18,795.78

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Solution

The fourth proportional to 53,831.52, 80,779.68 and 18,795.78 is: 28,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,831.52 : 80,779.68 = 18,795.78 : x
  2. Step 2: Convert to fraction form
    53,831.52/80,779.68 = 18,795.78/x
  3. Step 3: Cross multiply
    53,831.52x = 80,779.68 × 18,795.78
  4. Step 4: Simplify right side
    53,831.52x = 1,518,317,093.75
  5. Step 5: Solve for x
    x = 1,518,317,093.75/53,831.52
  6. Step 6: Final answer
    x = 28,204.98

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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.