Home / 39,005.20-58,499.70-16,819.30

Finding the Fourth Proportional to 39,005.20, 58,499.70 and 16,819.30

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Solution

The fourth proportional to 39,005.20, 58,499.70 and 16,819.30 is: 25,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,005.20 : 58,499.70 = 16,819.30 : x
  2. Step 2: Convert to fraction form
    39,005.20/58,499.70 = 16,819.30/x
  3. Step 3: Cross multiply
    39,005.20x = 58,499.70 × 16,819.30
  4. Step 4: Simplify right side
    39,005.20x = 983,924,004.21
  5. Step 5: Solve for x
    x = 983,924,004.21/39,005.20
  6. Step 6: Final answer
    x = 25,225.46

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1.5x scale

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.