Home / 31,331.02-43,236.84-17,184.20

Finding the Fourth Proportional to 31,331.02, 43,236.84 and 17,184.20

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Solution

The fourth proportional to 31,331.02, 43,236.84 and 17,184.20 is: 23,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.02 : 43,236.84 = 17,184.20 : x
  2. Step 2: Convert to fraction form
    31,331.02/43,236.84 = 17,184.20/x
  3. Step 3: Cross multiply
    31,331.02x = 43,236.84 × 17,184.20
  4. Step 4: Simplify right side
    31,331.02x = 742,990,505.93
  5. Step 5: Solve for x
    x = 742,990,505.93/31,331.02
  6. Step 6: Final answer
    x = 23,714.21

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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.