Home / 53,828.08-80,742.54-18,767.77

Finding the Fourth Proportional to 53,828.08, 80,742.54 and 18,767.77

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Solution

The fourth proportional to 53,828.08, 80,742.54 and 18,767.77 is: 28,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.08 : 80,742.54 = 18,767.77 : x
  2. Step 2: Convert to fraction form
    53,828.08/80,742.54 = 18,767.77/x
  3. Step 3: Cross multiply
    53,828.08x = 80,742.54 × 18,767.77
  4. Step 4: Simplify right side
    53,828.08x = 1,515,357,419.94
  5. Step 5: Solve for x
    x = 1,515,357,419.94/53,828.08
  6. Step 6: Final answer
    x = 28,151.80

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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.