Home / 47,562.80-71,373.36-21,289.76

Finding the Fourth Proportional to 47,562.80, 71,373.36 and 21,289.76

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Solution

The fourth proportional to 47,562.80, 71,373.36 and 21,289.76 is: 31,947.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,562.80 : 71,373.36 = 21,289.76 : x
  2. Step 2: Convert to fraction form
    47,562.80/71,373.36 = 21,289.76/x
  3. Step 3: Cross multiply
    47,562.80x = 71,373.36 × 21,289.76
  4. Step 4: Simplify right side
    47,562.80x = 1,519,521,704.79
  5. Step 5: Solve for x
    x = 1,519,521,704.79/47,562.80
  6. Step 6: Final answer
    x = 31,947.69

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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.