Home / 42,246.63-63,406.31-21,997.71

Finding the Fourth Proportional to 42,246.63, 63,406.31 and 21,997.71

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Solution

The fourth proportional to 42,246.63, 63,406.31 and 21,997.71 is: 33,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246.63 : 63,406.31 = 21,997.71 : x
  2. Step 2: Convert to fraction form
    42,246.63/63,406.31 = 21,997.71/x
  3. Step 3: Cross multiply
    42,246.63x = 63,406.31 × 21,997.71
  4. Step 4: Simplify right side
    42,246.63x = 1,394,793,509.56
  5. Step 5: Solve for x
    x = 1,394,793,509.56/42,246.63
  6. Step 6: Final answer
    x = 33,015.50

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1.5x scale

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.