Home / 43,317.54-64,938.35-20,817.01

Finding the Fourth Proportional to 43,317.54, 64,938.35 and 20,817.01

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Solution

The fourth proportional to 43,317.54, 64,938.35 and 20,817.01 is: 31,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.54 : 64,938.35 = 20,817.01 : x
  2. Step 2: Convert to fraction form
    43,317.54/64,938.35 = 20,817.01/x
  3. Step 3: Cross multiply
    43,317.54x = 64,938.35 × 20,817.01
  4. Step 4: Simplify right side
    43,317.54x = 1,351,822,177.25
  5. Step 5: Solve for x
    x = 1,351,822,177.25/43,317.54
  6. Step 6: Final answer
    x = 31,207.27

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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.