Home / 68,673.02-103,025.50-21,285.59

Finding the Fourth Proportional to 68,673.02, 103,025.50 and 21,285.59

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Solution

The fourth proportional to 68,673.02, 103,025.50 and 21,285.59 is: 31,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,673.02 : 103,025.50 = 21,285.59 : x
  2. Step 2: Convert to fraction form
    68,673.02/103,025.50 = 21,285.59/x
  3. Step 3: Cross multiply
    68,673.02x = 103,025.50 × 21,285.59
  4. Step 4: Simplify right side
    68,673.02x = 2,192,958,756.89
  5. Step 5: Solve for x
    x = 2,192,958,756.89/68,673.02
  6. Step 6: Final answer
    x = 31,933.34

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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.