Home / 39,819.70-59,687.61-20,056.72

Finding the Fourth Proportional to 39,819.70, 59,687.61 and 20,056.72

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Solution

The fourth proportional to 39,819.70, 59,687.61 and 20,056.72 is: 30,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.70 : 59,687.61 = 20,056.72 : x
  2. Step 2: Convert to fraction form
    39,819.70/59,687.61 = 20,056.72/x
  3. Step 3: Cross multiply
    39,819.70x = 59,687.61 × 20,056.72
  4. Step 4: Simplify right side
    39,819.70x = 1,197,137,681.24
  5. Step 5: Solve for x
    x = 1,197,137,681.24/39,819.70
  6. Step 6: Final answer
    x = 30,063.96

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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.