Home / 31,461.16-43,415.94-17,313.64

Finding the Fourth Proportional to 31,461.16, 43,415.94 and 17,313.64

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Solution

The fourth proportional to 31,461.16, 43,415.94 and 17,313.64 is: 23,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.16 : 43,415.94 = 17,313.64 : x
  2. Step 2: Convert to fraction form
    31,461.16/43,415.94 = 17,313.64/x
  3. Step 3: Cross multiply
    31,461.16x = 43,415.94 × 17,313.64
  4. Step 4: Simplify right side
    31,461.16x = 751,687,955.42
  5. Step 5: Solve for x
    x = 751,687,955.42/31,461.16
  6. Step 6: Final answer
    x = 23,892.57

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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.