Home / 43,045.38-64,587.24-21,974.28

Finding the Fourth Proportional to 43,045.38, 64,587.24 and 21,974.28

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Solution

The fourth proportional to 43,045.38, 64,587.24 and 21,974.28 is: 32,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,045.38 : 64,587.24 = 21,974.28 : x
  2. Step 2: Convert to fraction form
    43,045.38/64,587.24 = 21,974.28/x
  3. Step 3: Cross multiply
    43,045.38x = 64,587.24 × 21,974.28
  4. Step 4: Simplify right side
    43,045.38x = 1,419,258,096.19
  5. Step 5: Solve for x
    x = 1,419,258,096.19/43,045.38
  6. Step 6: Final answer
    x = 32,971.21

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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.