Home / 47,624.30-71,450.35-21,322.90

Finding the Fourth Proportional to 47,624.30, 71,450.35 and 21,322.90

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Solution

The fourth proportional to 47,624.30, 71,450.35 and 21,322.90 is: 31,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,624.30 : 71,450.35 = 21,322.90 : x
  2. Step 2: Convert to fraction form
    47,624.30/71,450.35 = 21,322.90/x
  3. Step 3: Cross multiply
    47,624.30x = 71,450.35 × 21,322.90
  4. Step 4: Simplify right side
    47,624.30x = 1,523,528,422.05
  5. Step 5: Solve for x
    x = 1,523,528,422.05/47,624.30
  6. Step 6: Final answer
    x = 31,990.57

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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.