Home / 47,993.10-72,000.98-21,697.80

Finding the Fourth Proportional to 47,993.10, 72,000.98 and 21,697.80

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Solution

The fourth proportional to 47,993.10, 72,000.98 and 21,697.80 is: 32,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,993.10 : 72,000.98 = 21,697.80 : x
  2. Step 2: Convert to fraction form
    47,993.10/72,000.98 = 21,697.80/x
  3. Step 3: Cross multiply
    47,993.10x = 72,000.98 × 21,697.80
  4. Step 4: Simplify right side
    47,993.10x = 1,562,262,863.84
  5. Step 5: Solve for x
    x = 1,562,262,863.84/47,993.10
  6. Step 6: Final answer
    x = 32,551.82

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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.