Home / 39,819.62-59,704.38-18,746.98

Finding the Fourth Proportional to 39,819.62, 59,704.38 and 18,746.98

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Solution

The fourth proportional to 39,819.62, 59,704.38 and 18,746.98 is: 28,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.62 : 59,704.38 = 18,746.98 : x
  2. Step 2: Convert to fraction form
    39,819.62/59,704.38 = 18,746.98/x
  3. Step 3: Cross multiply
    39,819.62x = 59,704.38 × 18,746.98
  4. Step 4: Simplify right side
    39,819.62x = 1,119,276,668.51
  5. Step 5: Solve for x
    x = 1,119,276,668.51/39,819.62
  6. Step 6: Final answer
    x = 28,108.67

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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.