Home / 58,540.32-87,819.04-16,981.92

Finding the Fourth Proportional to 58,540.32, 87,819.04 and 16,981.92

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Solution

The fourth proportional to 58,540.32, 87,819.04 and 16,981.92 is: 25,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,540.32 : 87,819.04 = 16,981.92 : x
  2. Step 2: Convert to fraction form
    58,540.32/87,819.04 = 16,981.92/x
  3. Step 3: Cross multiply
    58,540.32x = 87,819.04 × 16,981.92
  4. Step 4: Simplify right side
    58,540.32x = 1,491,335,911.76
  5. Step 5: Solve for x
    x = 1,491,335,911.76/58,540.32
  6. Step 6: Final answer
    x = 25,475.36

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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.