Home / 31,331.34-43,237.80-17,184.15

Finding the Fourth Proportional to 31,331.34, 43,237.80 and 17,184.15

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Solution

The fourth proportional to 31,331.34, 43,237.80 and 17,184.15 is: 23,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.34 : 43,237.80 = 17,184.15 : x
  2. Step 2: Convert to fraction form
    31,331.34/43,237.80 = 17,184.15/x
  3. Step 3: Cross multiply
    31,331.34x = 43,237.80 × 17,184.15
  4. Step 4: Simplify right side
    31,331.34x = 743,004,840.87
  5. Step 5: Solve for x
    x = 743,004,840.87/31,331.34
  6. Step 6: Final answer
    x = 23,714.43

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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.