Home / 42,504.26-63,729.05-20,317.14

Finding the Fourth Proportional to 42,504.26, 63,729.05 and 20,317.14

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Solution

The fourth proportional to 42,504.26, 63,729.05 and 20,317.14 is: 30,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,504.26 : 63,729.05 = 20,317.14 : x
  2. Step 2: Convert to fraction form
    42,504.26/63,729.05 = 20,317.14/x
  3. Step 3: Cross multiply
    42,504.26x = 63,729.05 × 20,317.14
  4. Step 4: Simplify right side
    42,504.26x = 1,294,791,929.33
  5. Step 5: Solve for x
    x = 1,294,791,929.33/42,504.26
  6. Step 6: Final answer
    x = 30,462.64

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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.