Home / 34,247.01-47,247.53-21,492.75

Finding the Fourth Proportional to 34,247.01, 47,247.53 and 21,492.75

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Solution

The fourth proportional to 34,247.01, 47,247.53 and 21,492.75 is: 29,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.01 : 47,247.53 = 21,492.75 : x
  2. Step 2: Convert to fraction form
    34,247.01/47,247.53 = 21,492.75/x
  3. Step 3: Cross multiply
    34,247.01x = 47,247.53 × 21,492.75
  4. Step 4: Simplify right side
    34,247.01x = 1,015,479,242.94
  5. Step 5: Solve for x
    x = 1,015,479,242.94/34,247.01
  6. Step 6: Final answer
    x = 29,651.62

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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.