Home / 47,962.46-71,931.24-19,890.50

Finding the Fourth Proportional to 47,962.46, 71,931.24 and 19,890.50

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Solution

The fourth proportional to 47,962.46, 71,931.24 and 19,890.50 is: 29,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,962.46 : 71,931.24 = 19,890.50 : x
  2. Step 2: Convert to fraction form
    47,962.46/71,931.24 = 19,890.50/x
  3. Step 3: Cross multiply
    47,962.46x = 71,931.24 × 19,890.50
  4. Step 4: Simplify right side
    47,962.46x = 1,430,747,969.56
  5. Step 5: Solve for x
    x = 1,430,747,969.56/47,962.46
  6. Step 6: Final answer
    x = 29,830.58

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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.