Home / 39,748.24-54,846.12-22,978

Finding the Fourth Proportional to 39,748.24, 54,846.12 and 22,978

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Solution

The fourth proportional to 39,748.24, 54,846.12 and 22,978 is: 31,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,748.24 : 54,846.12 = 22,978 : x
  2. Step 2: Convert to fraction form
    39,748.24/54,846.12 = 22,978/x
  3. Step 3: Cross multiply
    39,748.24x = 54,846.12 × 22,978
  4. Step 4: Simplify right side
    39,748.24x = 1,260,254,145.36
  5. Step 5: Solve for x
    x = 1,260,254,145.36/39,748.24
  6. Step 6: Final answer
    x = 31,705.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.