Home / 47,840.03-71,776.25-21,182.34

Finding the Fourth Proportional to 47,840.03, 71,776.25 and 21,182.34

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Solution

The fourth proportional to 47,840.03, 71,776.25 and 21,182.34 is: 31,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840.03 : 71,776.25 = 21,182.34 : x
  2. Step 2: Convert to fraction form
    47,840.03/71,776.25 = 21,182.34/x
  3. Step 3: Cross multiply
    47,840.03x = 71,776.25 × 21,182.34
  4. Step 4: Simplify right side
    47,840.03x = 1,520,388,931.43
  5. Step 5: Solve for x
    x = 1,520,388,931.43/47,840.03
  6. Step 6: Final answer
    x = 31,780.69

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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.