Home / 39,657.60-59,423.22-20,936.88

Finding the Fourth Proportional to 39,657.60, 59,423.22 and 20,936.88

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Solution

The fourth proportional to 39,657.60, 59,423.22 and 20,936.88 is: 31,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.60 : 59,423.22 = 20,936.88 : x
  2. Step 2: Convert to fraction form
    39,657.60/59,423.22 = 20,936.88/x
  3. Step 3: Cross multiply
    39,657.60x = 59,423.22 × 20,936.88
  4. Step 4: Simplify right side
    39,657.60x = 1,244,136,826.35
  5. Step 5: Solve for x
    x = 1,244,136,826.35/39,657.60
  6. Step 6: Final answer
    x = 31,371.96

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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.