Home / 38,043.83-57,019-21,368.81

Finding the Fourth Proportional to 38,043.83, 57,019 and 21,368.81

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Solution

The fourth proportional to 38,043.83, 57,019 and 21,368.81 is: 32,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.83 : 57,019 = 21,368.81 : x
  2. Step 2: Convert to fraction form
    38,043.83/57,019 = 21,368.81/x
  3. Step 3: Cross multiply
    38,043.83x = 57,019 × 21,368.81
  4. Step 4: Simplify right side
    38,043.83x = 1,218,428,177.39
  5. Step 5: Solve for x
    x = 1,218,428,177.39/38,043.83
  6. Step 6: Final answer
    x = 32,026.96

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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.