Home / 20,529.29-30,793.87-4,946.91

Finding the Fourth Proportional to 20,529.29, 30,793.87 and 4,946.91

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Solution

The fourth proportional to 20,529.29, 30,793.87 and 4,946.91 is: 7,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.29 : 30,793.87 = 4,946.91 : x
  2. Step 2: Convert to fraction form
    20,529.29/30,793.87 = 4,946.91/x
  3. Step 3: Cross multiply
    20,529.29x = 30,793.87 × 4,946.91
  4. Step 4: Simplify right side
    20,529.29x = 152,334,633.10
  5. Step 5: Solve for x
    x = 152,334,633.10/20,529.29
  6. Step 6: Final answer
    x = 7,420.36

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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.