Home / 31,398.02-43,329.09-17,057.73

Finding the Fourth Proportional to 31,398.02, 43,329.09 and 17,057.73

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Solution

The fourth proportional to 31,398.02, 43,329.09 and 17,057.73 is: 23,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.02 : 43,329.09 = 17,057.73 : x
  2. Step 2: Convert to fraction form
    31,398.02/43,329.09 = 17,057.73/x
  3. Step 3: Cross multiply
    31,398.02x = 43,329.09 × 17,057.73
  4. Step 4: Simplify right side
    31,398.02x = 739,095,918.37
  5. Step 5: Solve for x
    x = 739,095,918.37/31,398.02
  6. Step 6: Final answer
    x = 23,539.57

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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.