Home / 53,129.11-79,643.57-26,449.88

Finding the Fourth Proportional to 53,129.11, 79,643.57 and 26,449.88

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Solution

The fourth proportional to 53,129.11, 79,643.57 and 26,449.88 is: 39,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.11 : 79,643.57 = 26,449.88 : x
  2. Step 2: Convert to fraction form
    53,129.11/79,643.57 = 26,449.88/x
  3. Step 3: Cross multiply
    53,129.11x = 79,643.57 × 26,449.88
  4. Step 4: Simplify right side
    53,129.11x = 2,106,562,869.27
  5. Step 5: Solve for x
    x = 2,106,562,869.27/53,129.11
  6. Step 6: Final answer
    x = 39,649.88

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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.