Home / 53,899.88-80,873.34-18,864.68

Finding the Fourth Proportional to 53,899.88, 80,873.34 and 18,864.68

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Solution

The fourth proportional to 53,899.88, 80,873.34 and 18,864.68 is: 28,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,899.88 : 80,873.34 = 18,864.68 : x
  2. Step 2: Convert to fraction form
    53,899.88/80,873.34 = 18,864.68/x
  3. Step 3: Cross multiply
    53,899.88x = 80,873.34 × 18,864.68
  4. Step 4: Simplify right side
    53,899.88x = 1,525,649,679.63
  5. Step 5: Solve for x
    x = 1,525,649,679.63/53,899.88
  6. Step 6: Final answer
    x = 28,305.25

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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.