Home / 39,590.28-59,378.94-14,642.15

Finding the Fourth Proportional to 39,590.28, 59,378.94 and 14,642.15

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Solution

The fourth proportional to 39,590.28, 59,378.94 and 14,642.15 is: 21,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,590.28 : 59,378.94 = 14,642.15 : x
  2. Step 2: Convert to fraction form
    39,590.28/59,378.94 = 14,642.15/x
  3. Step 3: Cross multiply
    39,590.28x = 59,378.94 × 14,642.15
  4. Step 4: Simplify right side
    39,590.28x = 869,435,049.43
  5. Step 5: Solve for x
    x = 869,435,049.43/39,590.28
  6. Step 6: Final answer
    x = 21,960.82

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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.