Home / 42,003.73-57,885.40-30,046.31

Finding the Fourth Proportional to 42,003.73, 57,885.40 and 30,046.31

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Solution

The fourth proportional to 42,003.73, 57,885.40 and 30,046.31 is: 41,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003.73 : 57,885.40 = 30,046.31 : x
  2. Step 2: Convert to fraction form
    42,003.73/57,885.40 = 30,046.31/x
  3. Step 3: Cross multiply
    42,003.73x = 57,885.40 × 30,046.31
  4. Step 4: Simplify right side
    42,003.73x = 1,739,242,638.08
  5. Step 5: Solve for x
    x = 1,739,242,638.08/42,003.73
  6. Step 6: Final answer
    x = 41,406.86

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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.