Home / 61,682.02-85,121.62-33,387.78

Finding the Fourth Proportional to 61,682.02, 85,121.62 and 33,387.78

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Solution

The fourth proportional to 61,682.02, 85,121.62 and 33,387.78 is: 46,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682.02 : 85,121.62 = 33,387.78 : x
  2. Step 2: Convert to fraction form
    61,682.02/85,121.62 = 33,387.78/x
  3. Step 3: Cross multiply
    61,682.02x = 85,121.62 × 33,387.78
  4. Step 4: Simplify right side
    61,682.02x = 2,842,021,921.80
  5. Step 5: Solve for x
    x = 2,842,021,921.80/61,682.02
  6. Step 6: Final answer
    x = 46,075.37

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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.