Home / 53,238.18-79,839.99-17,689.95

Finding the Fourth Proportional to 53,238.18, 79,839.99 and 17,689.95

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Solution

The fourth proportional to 53,238.18, 79,839.99 and 17,689.95 is: 26,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.18 : 79,839.99 = 17,689.95 : x
  2. Step 2: Convert to fraction form
    53,238.18/79,839.99 = 17,689.95/x
  3. Step 3: Cross multiply
    53,238.18x = 79,839.99 × 17,689.95
  4. Step 4: Simplify right side
    53,238.18x = 1,412,365,431.10
  5. Step 5: Solve for x
    x = 1,412,365,431.10/53,238.18
  6. Step 6: Final answer
    x = 26,529.18

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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.