Home / 34,311.30-47,338.80-19,201.56

Finding the Fourth Proportional to 34,311.30, 47,338.80 and 19,201.56

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Solution

The fourth proportional to 34,311.30, 47,338.80 and 19,201.56 is: 26,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,311.30 : 47,338.80 = 19,201.56 : x
  2. Step 2: Convert to fraction form
    34,311.30/47,338.80 = 19,201.56/x
  3. Step 3: Cross multiply
    34,311.30x = 47,338.80 × 19,201.56
  4. Step 4: Simplify right side
    34,311.30x = 908,978,888.91
  5. Step 5: Solve for x
    x = 908,978,888.91/34,311.30
  6. Step 6: Final answer
    x = 26,492.11

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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.