Home / 53,633.28-80,454-14,189.36

Finding the Fourth Proportional to 53,633.28, 80,454 and 14,189.36

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Solution

The fourth proportional to 53,633.28, 80,454 and 14,189.36 is: 21,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,633.28 : 80,454 = 14,189.36 : x
  2. Step 2: Convert to fraction form
    53,633.28/80,454 = 14,189.36/x
  3. Step 3: Cross multiply
    53,633.28x = 80,454 × 14,189.36
  4. Step 4: Simplify right side
    53,633.28x = 1,141,590,769.44
  5. Step 5: Solve for x
    x = 1,141,590,769.44/53,633.28
  6. Step 6: Final answer
    x = 21,285.12

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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.