Home / 53,138.10-79,659.72-19,832.52

Finding the Fourth Proportional to 53,138.10, 79,659.72 and 19,832.52

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Solution

The fourth proportional to 53,138.10, 79,659.72 and 19,832.52 is: 29,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.10 : 79,659.72 = 19,832.52 : x
  2. Step 2: Convert to fraction form
    53,138.10/79,659.72 = 19,832.52/x
  3. Step 3: Cross multiply
    53,138.10x = 79,659.72 × 19,832.52
  4. Step 4: Simplify right side
    53,138.10x = 1,579,852,990.09
  5. Step 5: Solve for x
    x = 1,579,852,990.09/53,138.10
  6. Step 6: Final answer
    x = 29,731.08

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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.