Home / 61,750.12-85,215-33,455.88

Finding the Fourth Proportional to 61,750.12, 85,215 and 33,455.88

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Solution

The fourth proportional to 61,750.12, 85,215 and 33,455.88 is: 46,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.12 : 85,215 = 33,455.88 : x
  2. Step 2: Convert to fraction form
    61,750.12/85,215 = 33,455.88/x
  3. Step 3: Cross multiply
    61,750.12x = 85,215 × 33,455.88
  4. Step 4: Simplify right side
    61,750.12x = 2,850,942,814.20
  5. Step 5: Solve for x
    x = 2,850,942,814.20/61,750.12
  6. Step 6: Final answer
    x = 46,169.02

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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.