Home / 31,331.64-43,237.35-17,184.72

Finding the Fourth Proportional to 31,331.64, 43,237.35 and 17,184.72

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Solution

The fourth proportional to 31,331.64, 43,237.35 and 17,184.72 is: 23,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.64 : 43,237.35 = 17,184.72 : x
  2. Step 2: Convert to fraction form
    31,331.64/43,237.35 = 17,184.72/x
  3. Step 3: Cross multiply
    31,331.64x = 43,237.35 × 17,184.72
  4. Step 4: Simplify right side
    31,331.64x = 743,021,753.29
  5. Step 5: Solve for x
    x = 743,021,753.29/31,331.64
  6. Step 6: Final answer
    x = 23,714.74

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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.