Home / 39,281.91-58,915.77-16,805.25

Finding the Fourth Proportional to 39,281.91, 58,915.77 and 16,805.25

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Solution

The fourth proportional to 39,281.91, 58,915.77 and 16,805.25 is: 25,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,281.91 : 58,915.77 = 16,805.25 : x
  2. Step 2: Convert to fraction form
    39,281.91/58,915.77 = 16,805.25/x
  3. Step 3: Cross multiply
    39,281.91x = 58,915.77 × 16,805.25
  4. Step 4: Simplify right side
    39,281.91x = 990,094,243.79
  5. Step 5: Solve for x
    x = 990,094,243.79/39,281.91
  6. Step 6: Final answer
    x = 25,204.84

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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.