Home / 31,058.62-42,860.97-16,911.46

Finding the Fourth Proportional to 31,058.62, 42,860.97 and 16,911.46

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Solution

The fourth proportional to 31,058.62, 42,860.97 and 16,911.46 is: 23,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,058.62 : 42,860.97 = 16,911.46 : x
  2. Step 2: Convert to fraction form
    31,058.62/42,860.97 = 16,911.46/x
  3. Step 3: Cross multiply
    31,058.62x = 42,860.97 × 16,911.46
  4. Step 4: Simplify right side
    31,058.62x = 724,841,579.72
  5. Step 5: Solve for x
    x = 724,841,579.72/31,058.62
  6. Step 6: Final answer
    x = 23,337.86

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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.