Home / 39,690.88-59,521.26-11,605.01

Finding the Fourth Proportional to 39,690.88, 59,521.26 and 11,605.01

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Solution

The fourth proportional to 39,690.88, 59,521.26 and 11,605.01 is: 17,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.88 : 59,521.26 = 11,605.01 : x
  2. Step 2: Convert to fraction form
    39,690.88/59,521.26 = 11,605.01/x
  3. Step 3: Cross multiply
    39,690.88x = 59,521.26 × 11,605.01
  4. Step 4: Simplify right side
    39,690.88x = 690,744,563.43
  5. Step 5: Solve for x
    x = 690,744,563.43/39,690.88
  6. Step 6: Final answer
    x = 17,403.11

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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.