Home / 82,235.75-123,339.58-29,637.59

Finding the Fourth Proportional to 82,235.75, 123,339.58 and 29,637.59

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Solution

The fourth proportional to 82,235.75, 123,339.58 and 29,637.59 is: 44,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,235.75 : 123,339.58 = 29,637.59 : x
  2. Step 2: Convert to fraction form
    82,235.75/123,339.58 = 29,637.59/x
  3. Step 3: Cross multiply
    82,235.75x = 123,339.58 × 29,637.59
  4. Step 4: Simplify right side
    82,235.75x = 3,655,487,212.02
  5. Step 5: Solve for x
    x = 3,655,487,212.02/82,235.75
  6. Step 6: Final answer
    x = 44,451.32

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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.