Home / 38,733.40-58,051.58-20,964.03

Finding the Fourth Proportional to 38,733.40, 58,051.58 and 20,964.03

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Solution

The fourth proportional to 38,733.40, 58,051.58 and 20,964.03 is: 31,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,733.40 : 58,051.58 = 20,964.03 : x
  2. Step 2: Convert to fraction form
    38,733.40/58,051.58 = 20,964.03/x
  3. Step 3: Cross multiply
    38,733.40x = 58,051.58 × 20,964.03
  4. Step 4: Simplify right side
    38,733.40x = 1,216,995,064.67
  5. Step 5: Solve for x
    x = 1,216,995,064.67/38,733.40
  6. Step 6: Final answer
    x = 31,419.78

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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.