Home / 71,038.82-98,033.77-38,773.73

Finding the Fourth Proportional to 71,038.82, 98,033.77 and 38,773.73

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Solution

The fourth proportional to 71,038.82, 98,033.77 and 38,773.73 is: 53,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038.82 : 98,033.77 = 38,773.73 : x
  2. Step 2: Convert to fraction form
    71,038.82/98,033.77 = 38,773.73/x
  3. Step 3: Cross multiply
    71,038.82x = 98,033.77 × 38,773.73
  4. Step 4: Simplify right side
    71,038.82x = 3,801,134,928.86
  5. Step 5: Solve for x
    x = 3,801,134,928.86/71,038.82
  6. Step 6: Final answer
    x = 53,507.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.