Home / 31,687.41-43,729.53-17,541.16

Finding the Fourth Proportional to 31,687.41, 43,729.53 and 17,541.16

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Solution

The fourth proportional to 31,687.41, 43,729.53 and 17,541.16 is: 24,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,687.41 : 43,729.53 = 17,541.16 : x
  2. Step 2: Convert to fraction form
    31,687.41/43,729.53 = 17,541.16/x
  3. Step 3: Cross multiply
    31,687.41x = 43,729.53 × 17,541.16
  4. Step 4: Simplify right side
    31,687.41x = 767,066,802.90
  5. Step 5: Solve for x
    x = 767,066,802.90/31,687.41
  6. Step 6: Final answer
    x = 24,207.31

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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.