Home / 53,086.64-79,642.27-18,026.30

Finding the Fourth Proportional to 53,086.64, 79,642.27 and 18,026.30

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Solution

The fourth proportional to 53,086.64, 79,642.27 and 18,026.30 is: 27,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.64 : 79,642.27 = 18,026.30 : x
  2. Step 2: Convert to fraction form
    53,086.64/79,642.27 = 18,026.30/x
  3. Step 3: Cross multiply
    53,086.64x = 79,642.27 × 18,026.30
  4. Step 4: Simplify right side
    53,086.64x = 1,435,655,225.35
  5. Step 5: Solve for x
    x = 1,435,655,225.35/53,086.64
  6. Step 6: Final answer
    x = 27,043.63

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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.