Home / 30,670.98-42,324.86-17,058.95

Finding the Fourth Proportional to 30,670.98, 42,324.86 and 17,058.95

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Solution

The fourth proportional to 30,670.98, 42,324.86 and 17,058.95 is: 23,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.98 : 42,324.86 = 17,058.95 : x
  2. Step 2: Convert to fraction form
    30,670.98/42,324.86 = 17,058.95/x
  3. Step 3: Cross multiply
    30,670.98x = 42,324.86 × 17,058.95
  4. Step 4: Simplify right side
    30,670.98x = 722,017,670.50
  5. Step 5: Solve for x
    x = 722,017,670.50/30,670.98
  6. Step 6: Final answer
    x = 23,540.74

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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.