Home / 53,238.66-79,840.71-17,690.43

Finding the Fourth Proportional to 53,238.66, 79,840.71 and 17,690.43

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Solution

The fourth proportional to 53,238.66, 79,840.71 and 17,690.43 is: 26,529.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.66 : 79,840.71 = 17,690.43 : x
  2. Step 2: Convert to fraction form
    53,238.66/79,840.71 = 17,690.43/x
  3. Step 3: Cross multiply
    53,238.66x = 79,840.71 × 17,690.43
  4. Step 4: Simplify right side
    53,238.66x = 1,412,416,741.05
  5. Step 5: Solve for x
    x = 1,412,416,741.05/53,238.66
  6. Step 6: Final answer
    x = 26,529.91

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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.