Home / 53,620.13-80,428.17-16,179.20

Finding the Fourth Proportional to 53,620.13, 80,428.17 and 16,179.20

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Solution

The fourth proportional to 53,620.13, 80,428.17 and 16,179.20 is: 24,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.13 : 80,428.17 = 16,179.20 : x
  2. Step 2: Convert to fraction form
    53,620.13/80,428.17 = 16,179.20/x
  3. Step 3: Cross multiply
    53,620.13x = 80,428.17 × 16,179.20
  4. Step 4: Simplify right side
    53,620.13x = 1,301,263,588.46
  5. Step 5: Solve for x
    x = 1,301,263,588.46/53,620.13
  6. Step 6: Final answer
    x = 24,268.19

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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.