Home / 53,693.10-80,539.94-18,154.65

Finding the Fourth Proportional to 53,693.10, 80,539.94 and 18,154.65

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Solution

The fourth proportional to 53,693.10, 80,539.94 and 18,154.65 is: 27,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.10 : 80,539.94 = 18,154.65 : x
  2. Step 2: Convert to fraction form
    53,693.10/80,539.94 = 18,154.65/x
  3. Step 3: Cross multiply
    53,693.10x = 80,539.94 × 18,154.65
  4. Step 4: Simplify right side
    53,693.10x = 1,462,174,330.95
  5. Step 5: Solve for x
    x = 1,462,174,330.95/53,693.10
  6. Step 6: Final answer
    x = 27,232.07

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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.