Home / 53,983.92-80,977.32-18,925.68

Finding the Fourth Proportional to 53,983.92, 80,977.32 and 18,925.68

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Solution

The fourth proportional to 53,983.92, 80,977.32 and 18,925.68 is: 28,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,983.92 : 80,977.32 = 18,925.68 : x
  2. Step 2: Convert to fraction form
    53,983.92/80,977.32 = 18,925.68/x
  3. Step 3: Cross multiply
    53,983.92x = 80,977.32 × 18,925.68
  4. Step 4: Simplify right side
    53,983.92x = 1,532,550,845.58
  5. Step 5: Solve for x
    x = 1,532,550,845.58/53,983.92
  6. Step 6: Final answer
    x = 28,389.02

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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.