Home / 42,317.73-63,477.30-20,126.63

Finding the Fourth Proportional to 42,317.73, 63,477.30 and 20,126.63

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Solution

The fourth proportional to 42,317.73, 63,477.30 and 20,126.63 is: 30,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,317.73 : 63,477.30 = 20,126.63 : x
  2. Step 2: Convert to fraction form
    42,317.73/63,477.30 = 20,126.63/x
  3. Step 3: Cross multiply
    42,317.73x = 63,477.30 × 20,126.63
  4. Step 4: Simplify right side
    42,317.73x = 1,277,583,813.11
  5. Step 5: Solve for x
    x = 1,277,583,813.11/42,317.73
  6. Step 6: Final answer
    x = 30,190.27

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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.