Home / 30,670.60-42,324.34-17,058.58

Finding the Fourth Proportional to 30,670.60, 42,324.34 and 17,058.58

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Solution

The fourth proportional to 30,670.60, 42,324.34 and 17,058.58 is: 23,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.60 : 42,324.34 = 17,058.58 : x
  2. Step 2: Convert to fraction form
    30,670.60/42,324.34 = 17,058.58/x
  3. Step 3: Cross multiply
    30,670.60x = 42,324.34 × 17,058.58
  4. Step 4: Simplify right side
    30,670.60x = 721,993,139.84
  5. Step 5: Solve for x
    x = 721,993,139.84/30,670.60
  6. Step 6: Final answer
    x = 23,540.24

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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.