Home / 34,192.53-47,189.79-20,764.35

Finding the Fourth Proportional to 34,192.53, 47,189.79 and 20,764.35

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Solution

The fourth proportional to 34,192.53, 47,189.79 and 20,764.35 is: 28,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,192.53 : 47,189.79 = 20,764.35 : x
  2. Step 2: Convert to fraction form
    34,192.53/47,189.79 = 20,764.35/x
  3. Step 3: Cross multiply
    34,192.53x = 47,189.79 × 20,764.35
  4. Step 4: Simplify right side
    34,192.53x = 979,865,315.99
  5. Step 5: Solve for x
    x = 979,865,315.99/34,192.53
  6. Step 6: Final answer
    x = 28,657.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.